Begimbetova D; Burska AN; Baltabekova A; Kussainova A; Kukanova A; Fazyl F. 2024. "The Vitamin C Enantiomers Possess a Comparable Potency in the Induction of Oxidative Stress in Cancer Cells but Diffe
Coates, John. 2000. "Interpretation of Infrared Spectra, A Practical Approach." In Encyclopedia of Analytical Chemistry, edited by Robert A. Meyers, 10815-10837. Chichester: Wiley.
Stuart, Barbara H. 2004. "Infrared Spectroscopy: Fundamentals and Applications." Chichester: Wiley.
Smith, Brian C. 2018. "Infrared Spectral Interpretation: A Systematic Approach." Boca Raton, FL: CRC Press.
Smith, Brian C. 2011. "Fundamentals of Fourier Transform Infrared Spectroscopy." 2nd ed. Boca Raton, FL: CRC Press.
Larkin, Peter. 2017. "Infrared and Raman Spectroscopy: Principles and Spectral Interpretation." 2nd ed. Amsterdam: Elsevier.
Hesse, Manfred, Herbert Meier, and Bernd Zeeh. 2007. "Spektroskopische Methoden in der organischen Chemie." 8th ed. Stuttgart: Thieme.
Workman, Jerry, and Lois Weyer. 2012. "Practical Guide to Interpretive Near-Infrared Spectroscopy." Boca Raton, FL: CRC Press.
Banwell, Colin N., and Elaine M. McCash. 1994. "Fundamentals of Molecular Spectroscopy." 4th ed. London: McGraw-Hill.
Kalsi, P. S. 2010. "Spectroscopy of Organic Compounds." 6th ed. New Delhi: New Age International.
🎓 谱图解析指南（供学生使用）
Wyjaśnienia każdego pasma w widmie — dlaczego pojawia się tam, gdzie się pojawia, i co świadczy o strukturze.
📚 参考文献（芝加哥格式）
Field, Leslie D., Sev Sternhell, and John R. Kalman. 2013. "Organic Structures from Spectra." 5th ed. Chichester: Wiley. 学生习题集教科书（解析指南配套）。
Williams, Dudley H., and Ian Fleming. 2008. "Spectroscopic Methods in Organic Chemistry." 6th ed. London: McGraw-Hill. 经典叙述性谱图解析——解释"为什么峰在这里"。
Crews, Phillip, Jaime Rodríguez, and Marcel Jaspars. 2009. "Organic Structure Analysis." 2nd ed. New York: Oxford University Press. 多参数结构解析工作流程。
McLafferty, Fred W., and František Tureček. 1993. "Interpretation of Mass Spectra." 4th ed. Mill Valley, CA: University Science Books. 质谱碎裂机理——McLafferty重排，m/z 29 = CHO。
Reusch, William. 2013. "Virtual Textbook of Organic Chemistry: Spectroscopy." East Lansing, MI: Michigan State University. https://www2.chemistry.msu.edu/faculty/reusch/VirtTxtJml/Spectrpy/spectro.htm. 红外/核磁共振/质谱/紫外开放教育指南——非常适合解释官能团。
Hesse, Manfred, Herbert Meier, and Bernd Zeeh. 2007. "Spektroskopische Methoden in der organischen Chemie." 8th ed. Stuttgart: Thieme. 德国标准谱图解析教科书。
Lampman, Gary M., Donald L. Pavia, George S. Kriz, and James R. Vyvyan. 2010. "Spectroscopy." 4th ed. Belmont, CA: Cengage Learning. 集成解析叙述的练习册。
Kalsi, P. S. 2010. "Spectroscopy of Organic Compounds." 6th ed. New Delhi: New Age International. 红外/核磁共振/质谱/紫外谱图解析完整教科书。
McLafferty, Fred W., ed. 2018. Wiley Registry of Mass Spectral Data. 11th ed. Hoboken, NJ: Wiley. 参考质谱库（约775k谱图）。
Stein, Stephen E., and Donald R. Scott. 1994. "Optimization and Testing of Mass Spectral Library Search Algorithms for Compound Identification." Journal of the American Society for Mass Spectrometry 5 (9): 859–866. NIST MS Search的余弦+点积算法。
McDonald, Robert S., and Paul A. Wilks Jr. 1988. "JCAMP-DX: A Standard Form for Exchange of Infrared Spectra in Computer Readable Form." Applied Spectroscopy 42 (1): 151–162. JCAMP-DX规范（扩展至5.01用于核磁共振/质谱）。
McLafferty, Fred W., and František Tureček. 1993. "Interpretation of Mass Spectra." 4th ed. Mill Valley, CA: University Science Books. 余弦相似度匹配和质谱碎裂——搜索算法的基础。
Sumner, Lloyd W., Alexander Amberg, Dave Barrett, Michael H. Beale, Richard Beger, Clare A. Daykin, Teresa W.-M. Fan, et al. 2007. "Proposed Minimum Reporting Standards for Chemical Analysis." Metabolomics 3 (3): 211–221. MSI Level 1-4——谱图匹配置信度标准。
Stein, Stephen E. 1999. "An Integrated Method for Spectrum Extraction and Compound Identification from Gas Chromatography/Mass Spectrometry Data." Journal of the American Society for Mass Spectrometry 10 (8): 770–781. AMDIS算法——解卷积+库匹配（NIST）。
Lindon, John C., George E. Tranter, and David W. Koppenaal, eds. 2017. "Encyclopedia of Spectroscopy and Spectrometry." 3rd ed. Amsterdam: Academic Press. 关于谱库搜索的百科条目。
Smith, Brian C. 2011. "Fundamentals of Fourier Transform Infrared Spectroscopy." 2nd ed. Boca Raton, FL: CRC Press. FT-IR和用于透射谱的JCAMP-DX格式。
Larkin, Peter. 2017. "Infrared and Raman Spectroscopy: Principles and Spectral Interpretation." 2nd ed. Amsterdam: Elsevier. 红外/拉曼库匹配和峰预处理原理。
Haynes, William M., ed. 2024. CRC Handbook of Chemistry and Physics. 105th ed. Boca Raton: CRC Press/Taylor & Francis. ISBN 978-1-032-55554-4. ↗
National Institute of Standards and Technology. 2024. "NIST Chemistry WebBook, SRD 69." Gaithersburg, MD: NIST. Accessed 2025-01-01. ↗
Yaws, Carl L. 2014. The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals. 2nd ed. Oxford: Gulf Professional Publishing.
PubChem. 2024. "PubChem Compound Database." National Library of Medicine, National Institutes of Health. Accessed 2025-01-01. ↗
Marrero, J., and R. Gani. 2001. "Group-Contribution Based Estimation of Pure Component Properties." Fluid Phase Equilibria 183–184: 183–208. ↗
Joback, K. G., and R. C. Reid. 1987. "Estimation of Pure-Component Properties from Group-Contributions." Chemical Engineering Communications 57 (1–6): 233–243. ↗
Sangster, J. 1997. Octanol-Water Partition Coefficients: Fundamentals and Physical Chemistry. Chichester: Wiley. ISBN 978-0-471-97397-3.
Mannhold, Raimund, and Han van de Waterbeemd. 2001. "Substructure and Whole Molecule Approaches for Calculating Log P." Journal of Computer-Aided Molecular Design 15 (4): 337–354. ↗
Perrin, Ditlev D., Boyd Dempsey, and E. P. Serjeant. 1981. pKa Prediction for Organic Acids and Bases. London: Chapman and Hall. ISBN 0-412-21090-5.
Constantinou, Leonidas, and Rafiqul Gani. 1994. "New Group Contribution Method for Estimating Properties of Pure Compounds." AIChE Journal 40 (10): 1697–1710. ↗
Ertl, Peter, Bernhard Rohde, and Paul Selzer. 2000. "Fast Calculation of Molecular Polar Surface Area as a Sum of Fragment-Based Contributions and Its Application to the Prediction of Drug Transport Properties." Journal of Medicinal Chemistry 43 (20): 3714–3717. ↗
Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
g/L ↔ molarity
c (mol/L) = (g/L) / MW
±0.1% (depends on MW precision)
Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
mmol/L ↔ molarity
c (mol/L) = mmol/L × 10⁻³
Exact
Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
Celsius ↔ Kelvin
T(K) = t(°C) + 273.15
±0.01 K (ITS-90 scale)
BIPM (Bureau International des Poids et Mesures) (2019)
Celsius ↔ Fahrenheit
T(°F) = T(°C) × 9/5 + 32
±0.1 °F
Thompson A, Taylor BN (2008)
density-corrected % ↔ molarity
c (mol/L) = (%w/w × ρ × 10) / MW, ρ in g/mL
±0.1% when ρ known to 3 decimals
Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
📚 参考文献（8个权威来源）
Thompson A, Taylor BN (2008). Guide for the Use of the International System of Units (SI). NIST Special Publication 811 · DOI: 10.6028/NIST.SP.811-2008 → Primary SI standard for US scientific usage
Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007). Quantities, Units and Symbols in Physical Chemistry — The IUPAC Green Book. RSC Publishing, 3rd ed. · DOI: 10.1039/9781847557889 · ISBN: 978-0-85404-433-7 → Canonical IUPAC guide for chemistry quantities/units
BIPM (Bureau International des Poids et Mesures) (2019). The International System of Units (SI), 9th edition. BIPM · ↗ → International SI definitions (incl. redefined kilogram 2019)
ISO/IEC (2022). Quantities and units — Part 1: General. International Organization for Standardization — ISO 80000-1:2022 · ↗ → General rules for physical quantities and units
ISO/IEC (2019). Quantities and units — Part 9: Physical chemistry and molecular physics. International Organization for Standardization — ISO 80000-9:2019 · ↗ → Concentration / molality / amount-of-substance conventions
Tiesinga E, Mohr PJ, Newell DB, Taylor BN (2021). CODATA recommended values of the fundamental physical constants: 2018. Rev. Mod. Phys. 93(2):025010 · DOI: 10.1103/RevModPhys.93.025010 → Avogadro, gas constant, molar volume (2019 SI revision)
IUPAC (2019). Compendium of Chemical Terminology — the IUPAC Gold Book (online). IUPAC · DOI: 10.1351/goldbook → Definitions of mass fraction, molality, normality, ppm, activity
Mills IM, Cvitaš T, Homann K, Kallay N, Kuchitsu K (1988). Quantities, Units and Symbols in Physical Chemistry. Blackwell Scientific Publications, 1st ed. · ISBN: 0-632-01773-5 → Historical predecessor of IUPAC Green Book
Rumble, John R., ed. 2023. CRC Handbook of Chemistry and Physics. 104th ed. Boca Raton, FL: CRC Press. [link ↗]
International Association for the Properties of Water and Steam (IAPWS). 1997. "Release on the Static Dielectric Constant of Ordinary Water Substance." IAPWS R8-97. [link ↗]
Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Weinheim: Wiley-VCH. https://doi.org/10.1002/9783527632220. [link ↗]
Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. https://doi.org/10.1201/9781420006834. [link ↗]
IFA. n.d. "Water." GESTIS Substance Database. Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung. Accessed April 25, 2026. [link ↗]
Rumble, John R., ed. 2023. CRC Handbook of Chemistry and Physics. 104th ed. Boca Raton, FL: CRC Press. [link ↗]
Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Weinheim: Wiley-VCH. https://doi.org/10.1002/9783527632220. [link ↗]
Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. Hoboken, NJ: Wiley. https://doi.org/10.1002/9780470508183. [link ↗]
Smallwood, Ian M. 1996. Handbook of Organic Solvent Properties. London: Arnold. https://doi.org/10.1016/B978-0-340-64578-9.X5000-9. [link ↗]
Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Weinheim: Wiley-VCH. https://doi.org/10.1002/9783527632220. [link ↗]
Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. [link ↗]
Rumble, John R., ed. 2023. CRC Handbook of Chemistry and Physics. 104th ed. Boca Raton, FL: CRC Press. [link ↗]
Smallwood, Ian M. 1996. Handbook of Organic Solvent Properties. London: Arnold. [link ↗]
National Institute of Standards and Technology. n.d. "Methane, dichloro- (CAS 75-09-2)." NIST Chemistry WebBook, SRD 69. Accessed April 25, 2026. [link ↗]
Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. [link ↗]
International Agency for Research on Cancer. 1999. "Dichloromethane." IARC Monographs on the Evaluation of Carcinogenic Risks to Humans 71: 251–315. [link ↗]
Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Weinheim: Wiley-VCH. [link ↗]
Armarego, Wilfred L. F., and Christina Li Lin Chai. 2009. Purification of Laboratory Chemicals. 6th ed. Oxford: Butterworth-Heinemann. https://doi.org/10.1016/B978-1-85617-567-8.50003-3. [link ↗]
Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. [link ↗]
National Institute of Standards and Technology. n.d. "Furan, tetrahydro- (CAS 109-99-9)." NIST Chemistry WebBook. Accessed April 25, 2026. [link ↗]
Smallwood, Ian M. 1996. Handbook of Organic Solvent Properties. London: Arnold. [link ↗]
National Institute of Standards and Technology. n.d. "Hexane (CAS 110-54-3)." NIST Chemistry WebBook. Accessed April 25, 2026. [link ↗]
Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. [link ↗]
Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. Hoboken, NJ: Wiley. [link ↗]
Agency for Toxic Substances and Disease Registry. 1999. Toxicological Profile for n-Hexane. Atlanta, GA: U.S. Department of Health and Human Services. [link ↗]
International Agency for Research on Cancer. 1999. "Chloroform." IARC Monographs on the Evaluation of Carcinogenic Risks to Humans 73: 131–182. [link ↗]
National Institute of Standards and Technology. n.d. "Methane, trichloro- (CAS 67-66-3)." NIST Chemistry WebBook. Accessed April 25, 2026. [link ↗]
Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. [link ↗]
Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Weinheim: Wiley-VCH. [link ↗]
Yalkowsky, Samuel H., and Shri C. Valvani. 1980. "Solubility and Partitioning I: Solubility of Nonelectrolytes in Water." Journal of Pharmaceutical Sciences 69 (8): 912–922. https://doi.org/10.1002/jps.2600690814 — General Solubility Equation (GSE): logS = 0.5 − logP − 0.01(MP−25).
Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. https://doi.org/10.1201/9781420006834 — HSP三元组（dD, dP, dH）+ Ra公式。
Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Weinheim: Wiley-VCH. https://doi.org/10.1002/9783527632220 — E_T(30) polarity scale, solwatochromia.
Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. Hoboken, NJ: Wiley. https://doi.org/10.1002/9780470508183 — Eluotropic series, polarity index.
PubChem Compound Database — CAS 50-81-7 lookup ↗ — logP (XLogP3), water solubility experimental + predicted.
翻译：CLP 法规 (EC) 1272/2008，附件 III 和 IV。数据：PubChem/NLM。
☢️ 毒理学数据 (IARC + EPA CTX)
📖 毒理学摘要
Kwas l-askorbinowy (witamina C, CAS 50-81-7) charakteryzuje się wyjątkowo niską toksycznością ostrą. LD50 doustnie u szczura wynosi 11 900 mg/kg masy ciała — wartość niezależnie przytaczana przez NIOSH [1] i bazę PubChem CID 54670067 (dane EPA/OECD) [2]; cross-referencja [1,2]; substancja należy do klasy 5 Hodge'a i Sternera ("praktycznie nieszkodliwa") [3]. Kwas askorbinowy nie jest sklasyfikowany przez IARC [4] i nie figuruje w Aneksie VI CLP (EC 1272/2008) jako substancja CMR [2]. Substancja posiada status GRAS (Generally Recognized As Safe) w USA (FDA 21 CFR 184.1033) i jest dopuszczona jako barwnik/antyoksydant spożywczy E300 w UE (Rozporządzenie WE 1333/2008, Aneks II) [5]. EFSA ustala UL dla witaminy C = 2 000 mg/dobę dla dorosłych; granica oparta na osmotycznej biegunce (LOAEL = 3 000 mg/dobę) z marginesem bezpieczeństwa 1,5 [5]. Przegląd kliniczny (Padayatty i Levine, Oral Diseases 2016) obejmujący 40 lat badań farmakokinetycznych potwierdza bezpieczeństwo przy suplementacji 1 000–2 000 mg/dobę u zdrowych dorosłych bez kamicy nerkowej w wywiadzie [6].
🔖 来源引用 (6) — Chicago Notes-Bibliography
U.S. National Institute for Occupational Safety and Health (NIOSH). 2007. NIOSH Pocket Guide to Chemical Hazards: Ascorbic Acid (CAS 50-81-7). DHHS (NIOSH) Pub. No. 2007-151. Rev. 2018. Atlanta: CDC/NIOSH. https://www.cdc.gov/niosh/npg/. [LD50 oral rat = 11 900 mg/kg.]
U.S. National Library of Medicine (NLM) / U.S. Environmental Protection Agency. 2024. "L-Ascorbic Acid (CAS 50-81-7)." PubChem CID 54670067, Compound Summary — Toxicity Data (GHS/OECD). Bethesda, MD: NLM. https://pubchem.ncbi.nlm.nih.gov/compound/54670067.
Hodge, Harold C., and J. Harvey Sterner. 1949. "Tabulation of Toxicity Classes." American Industrial Hygiene Association Quarterly 10(4):93–96. DOI: 10.1080/00968204909344159.
International Agency for Research on Cancer (IARC). 2025. "List of Classifications." Lyon: IARC/WHO. https://monographs.iarc.who.int/list-of-classifications/. [CAS 50-81-7 nie sklasyfikowany.]
EFSA Panel on Food Additives and Nutrient Sources (ANS). 2013. "Scientific Opinion on the Re-Evaluation of Ascorbic Acid (E 300), Sodium Ascorbate (E 301) and Calcium Ascorbate (E 302) as Food Additives." EFSA Journal 11(4):3235. DOI: 10.2903/j.efsa.2013.3235. [UL = 2 000 mg/dobę; open-access.]
Padayatty, Sebastian J., and Mark Levine. 2016. "Vitamin C: The Known and the Unknown and Goldilocks." Oral Diseases 22(6):463–493. DOI: 10.1111/odi.12446. [Peer-reviewed; bezpieczeństwo 1 000–2 000 mg/dobę.]
U.S. National Institute for Occupational Safety and Health (NIOSH). 2007. NIOSH Pocket Guide to Chemical Hazards: Ascorbic Acid (CAS 50-81-7). DHHS (NIOSH) Pub. No. 2007-151. Rev. 2018. Atlanta: CDC/NIOSH. https://www.cdc.gov/niosh/npg/. [LD50 oral rat = 11 900 mg/kg.] 🔗
U.S. National Library of Medicine (NLM) / U.S. Environmental Protection Agency. 2024. "L-Ascorbic Acid (CAS 50-81-7)." PubChem CID 54670067, Compound Summary — Toxicity Data (GHS/OECD). Bethesda, MD: NLM. https://pubchem.ncbi.nlm.nih.gov/compound/54670067. 🔗
Hodge, Harold C., and J. Harvey Sterner. 1949. "Tabulation of Toxicity Classes." American Industrial Hygiene Association Quarterly 10(4):93–96. DOI: 10.1080/00968204909344159. [DOI]
International Agency for Research on Cancer (IARC). 2025. "List of Classifications." Lyon: IARC/WHO. https://monographs.iarc.who.int/list-of-classifications/. [CAS 50-81-7 nie sklasyfikowany.] 🔗
EFSA Panel on Food Additives and Nutrient Sources (ANS). 2013. "Scientific Opinion on the Re-Evaluation of Ascorbic Acid (E 300), Sodium Ascorbate (E 301) and Calcium Ascorbate (E 302) as Food Additives." EFSA Journal 11(4):3235. DOI: 10.2903/j.efsa.2013.3235. [UL = 2 000 mg/dobę; open-access.] [DOI]
Padayatty, Sebastian J., and Mark Levine. 2016. "Vitamin C: The Known and the Unknown and Goldilocks." Oral Diseases 22(6):463–493. DOI: 10.1111/odi.12446. [Peer-reviewed; bezpieczeństwo 1 000–2 000 mg/dobę.] [DOI]
📖 一般毒理学文献（模块）
Ke Z; Zhang Y; Jiang X; Luo J; Chen H; Ma Y. 2026. "Ascorbic acid enhances antidepressant-like efficacy of esketamine: Hippocampal TARP-γ8-containing AMPA receptors mediate synaptic modulation." Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics. https://doi.org/10.1016/j.neurot.2025.e00786. [tło tematyczne — CAS niezweryfikowany w tej publikacji] [DOI]
Zou Y; Zhang M; Zhou D; Chi C; Wu F; Ding CF. 2025. "Identification and characterization of chiral vitamin C using ion mobility and theoretical calculation." Analytical and bioanalytical chemistry. https://doi.org/10.1007/s00216-025-05855-7. [DOI]
Tarhouchi S; Hlaibi M. 2024. "Kinetic control aspects and mechanisms in oriented membrane processes for extraction and recovery of ascorbic acid compound." Environmental science and pollution research international. https://doi.org/10.1007/s11356-024-35453-6. [DOI]
Begimbetova D; Burska AN; Baltabekova A; Kussainova A; Kukanova A; Fazyl F. 2024. "The Vitamin C Enantiomers Possess a Comparable Potency in the Induction of Oxidative Stress in Cancer Cells but Differ in Their Toxicity." International journal of molecular sciences. https://doi.org/10.3390/ijms25052531. [DOI]
Li J; Du N; Guan R; Zhao S. 2023. "Construction of a Chiral Fluorescent Probe for Tryptophan Enantiomers/Ascorbic Acid Identification." ACS applied materials & interfaces. https://doi.org/10.1021/acsami.3c02423. [tło tematyczne — CAS niezweryfikowany w tej publikacji] [DOI]
Maneffa AJ, Harrison AB, Radford SJ, Whitehouse AS, Clark JH, Matharu AS.. 2020. "Deep Eutectic Solvents Based on Natural Ascorbic Acid Analogues and Choline Chloride." . https://doi.org/10.1002/open.202000020. [DOI]
el-Hady DA; Gotti R; el-Maali NA. 2008. "Selective determination of catechin, epicatechin and ascorbic acid in human urine using chiral capillary electrophoresis." Journal of separation science. https://doi.org/10.1002/jssc.200700638. [DOI]
Grisar JM; Marciniak G; Bolkenius FN; Verne-Mismer J; Wagner ER. 1995. "Cardioselective ammonium, phosphonium, and sulfonium analogues of alpha-tocopherol and ascorbic acid that inhibit in vitro and ex vivo lipid peroxidation and scavenge superoxide radicals." Journal of medicinal chemistry. https://doi.org/10.1021/jm00015a010. [DOI]
International Agency for Research on Cancer (IARC). 2024. "IARC Monographs on the Identification of Carcinogenic Hazards to Humans." Lyon: IARC. 🔗
U.S. EPA. 2024. "ECOTOX Knowledgebase." Washington, DC: U.S. Environmental Protection Agency. 🔗
ECHA. 2024. "Chemical Safety Assessment." European Chemicals Agency. 🔗
U.S. National Toxicology Program. 2024. Report on Carcinogens. 15th ed. Research Triangle Park, NC: National Institute of Environmental Health Sciences. 🔗
GESTIS. 2024. "GESTIS Substance Database." Institute for Occupational Safety and Health of the German Social Accident Insurance (DGUV). 🔗
U.S. EPA. 2024. "CompTox Chemicals Dashboard." Washington, DC: U.S. Environmental Protection Agency. 🔗
ECHA. 2023. "Regulation (EC) No 1272/2008 on Classification, Labelling and Packaging of Substances and Mixtures (CLP), Annex VI — Harmonised Classification." European Chemicals Agency. 🔗
Goldfrank, Lewis R., Robert S. Hoffman, Mary Ann Howland, Neal A. Lewin, Lewis S. Nelson, and Silas W. Smith. 2019. Goldfrank's Toxicologic Emergencies. McGraw-Hill Education.
Olson, Kent R., Ilene B. Anderson, Neal L. Benowitz, Paul D. Blanc, Richard F. Clark, Thomas E. Kearney, Susan Y. Kim-Katz, and Alan H. B. Wu. 2018. Poisoning & Drug Overdose. McGraw-Hill.
World Health Organization (WHO). 2007. Antidotes for Poisoning by Cyanide (IPCS Evaluation Series 21). International Programme on Chemical Safety, WHO Press. ↗
Howland, Mary Ann, and Robert S. Aaron. 2002. Goldfrank's Antidotes for Pediatric Emergency Care. Lippincott Williams & Wilkins.
Centrum Zatruć Łódź. 2024. Procedury kliniczne w zatruciach ostrych — wytyczne dla ratowników. Centrum Informacji Toksykologicznej. ↗
National Institute for Occupational Safety and Health (NIOSH). 2007. Recommendations for First Aid Procedures for Chemical Exposures (NIOSH Pocket Guide to Chemical Hazards, DHHS Publication No. 2005-149). U.S. Department of Health and Human Services. ↗
United Nations Economic Commission for Europe (UNECE). 2021. Globally Harmonized System of Classification and Labelling of Chemicals (GHS), Revision 9. United Nations. ↗
Brent, Jeffrey. 2009. Fomepizole for the Treatment of Pediatric Ethylene and Diethylene Glycol, Butoxyethanol, and Methanol Poisonings. Clinical Toxicology 48(5): 401–406.
European Society for Paediatric Gastroenterology, Hepatology and Nutrition (ESPGHAN). 2018. Caustic Ingestion in Children — Position Paper. Journal of Pediatric Gastroenterology and Nutrition 66(5): 838–845.
Agency for Toxic Substances and Disease Registry (ATSDR). 2024. Toxicological Profiles — Medical Management Guidelines. U.S. Department of Health and Human Services. ↗
IPCS INCHEM. 2024. International Programme on Chemical Safety — Poisons Information Monographs. WHO/UNEP/ILO. ↗
American National Standards Institute (ANSI). 2014. ANSI Z358.1-2014 — Emergency Eyewash and Shower Equipment. International Safety Equipment Association.
🚨 应急程序 — 化学品泄漏NON_HAZARDOUS
CAS 50-81-7
🥽 PPE — 个人防护装备
手套:标准
📦 小量泄漏（<1L） — 吸收剂： dry sweeping
1. Zbierz miotłą
2. Pozostałości spłucz wodą
3. Witamina C — łagodny antyutleniacz spożywczy
World Health Organization (WHO). 2019. Model List of Essential Medicines, 21st List. WHO.
[链接 ↗]
U.S. Occupational Safety and Health Administration. 2024. 29 CFR 1910.120 — Hazardous Waste Operations and Emergency Response (HAZWOPER). U.S. Code of Federal Regulations.
[链接 ↗]
National Fire Protection Association. 2018. NFPA 472: Standard for Competence of Responders to Hazardous Materials/Weapons of Mass Destruction Incidents. NFPA.
[链接 ↗]
European Parliament and Council. 2012. Directive 2012/18/EU on the Control of Major-Accident Hazards Involving Dangerous Substances (Seveso III). Official Journal of the European Union L 197: 1–37.
[链接 ↗]
U.S. National Institute for Occupational Safety and Health. 2024. NIOSH Pocket Guide to Chemical Hazards. Centers for Disease Control and Prevention.
[链接 ↗]
European Chemicals Agency. 2020. Guidance on the Compilation of Safety Data Sheets (SDS), Version 3.1. ECHA.
[链接 ↗]
来源： ECHA · European Pharmacopoeia · WHO Essential Medicines.
最后验证： 2026-04-27 09:00:00.
仅供参考 — 紧急情况下，始终遵循供应商的说明和当地职业健康安全（OHS）法规。
⚠️ 个人防护装备（PPE）视觉指南刺激性
🧤 防护手套
标准丁腈手套 >0.1 mm EN 374-1 typ C
标准皮肤刺激防护
👁️ 防护眼镜/护目镜
EN 166 D
防护固体颗粒和液滴；基本类别
🥼 实验服/防护服
标准棉质实验服 EN 13688
标准纽扣长袖
💨 通风
4 ACH(air changes/hour) 实验室全面通风
开放操作最低4次换气/小时；浓氯化钙粉尘使用通风橱
📚 科学参考文献（芝加哥作者-日期格式）
European Committee for Standardization (CEN). 2016. EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms — Part 1: Terminology and performance requirements for chemical risks. CEN, Brussels. EN 374-1:2016. [link ↗] — 耐化学腐蚀手套分类A/B/C型；JKLPT渗透测试
European Committee for Standardization (CEN). 2001. EN 166:2001 — Personal eye-protection — Specifications. CEN, Brussels. EN 166:2001. [link ↗] — 标记：B = 中等冲击能量，T = 极端温度，9 = 熔融金属和高温固体
European Committee for Standardization (CEN). 2009. EN 14605:2005+A1:2009 — Protective clothing against liquid chemicals — Performance requirements for clothing with liquid-tight (Type 3) or spray-tight (Type 4) connections. CEN, Brussels. EN 14605:2009. [link ↗] — 3型（防喷射）和4型（防喷雾）液体化学品防护
National Institute for Occupational Safety and Health (NIOSH). 2017. Recommendations for Chemical Protective Clothing: A Companion to the NIOSH Pocket Guide. U.S. Department of Health & Human Services / CDC. [link ↗] — 按物质和暴露场景选择化学防护服（CPC）的实用指南
Occupational Safety and Health Administration (OSHA). 2011. Personal Protective Equipment — General requirements. U.S. Department of Labor — 29 CFR 1910.132. 29 CFR 1910.132. [link ↗] — 雇主必须提供个人防护装备（PPE）、培训以及书面记录的危险评估
National Fire Protection Association (NFPA). 2024. NFPA 30: Flammable and Combustible Liquids Code. NFPA, Quincy, MA. NFPA 30 (2024 ed.). [link ↗] — §9.4–9.7 — class-based storage segregation rules (the canonical US lab/industrial reference)
Occupational Safety and Health Administration (OSHA). 2023. 29 CFR 1910.106 — Flammable Liquids. U.S. Department of Labor, Federal Register. 29 CFR 1910.106. [link ↗] — (d)(5)(i)–(iv) — flammable storage cabinet, inside-storage room, and segregation requirements
European Chemicals Agency (ECHA). 2024. Annex VI to Regulation (EC) No 1272/2008 (CLP) — Harmonised Classification and Labelling. ECHA, Helsinki / Official Journal of the European Union. CLP Annex VI. [link ↗] — §2.4–2.5 — EU-level classification driving storage compatibility under REACH/CLP
European Commission. 2014. Commission Decision 2014/955/EU on the list of waste pursuant to Directive 2008/98/EC. Official Journal of the European Union. Decyzja 2014/955/UE. [link ↗] — 欧洲废物清单 — 6 位 EWC 代码 + 危险废物星号
Ministerstwo Klimatu i Środowiska Rzeczypospolitej Polskiej. 2020. Rozporządzenie Ministra Klimatu z dnia 2 stycznia 2020 r. w sprawie katalogu odpadów. Dziennik Ustaw RP 2020 poz. 10. [link ↗] — 波兰废物目录 — 实施 2014/955/EU 决定
Główny Inspektorat Ochrony Środowiska (GIOŚ). 2024. Baza Danych O Odpadach (BDO) — System rejestracji firm utylizacyjnych. Ministerstwo Klimatu i Środowiska. [link ↗] — 波兰废物数据库（BDO）中央登记册——废物管理授权公司完整列表
Polska — Sejm RP. 2012. Ustawa z dnia 14 grudnia 2012 r. o odpadach. Dz.U. 2013 poz. 21 (z późn. zm.). [link ↗] — 国家法案——定义废物生产者的义务 + BDO注册
Furr, A. Keith, ed.. 2000. CRC Handbook of Laboratory Safety. CRC Press. — 实验室废物分类 + 分拣程序（废物管理章节）；EN 374:2013 处理危险废物人员的手套标准。
Pohanish, Richard P.. 2017. Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens. Elsevier. — 按CAS号的废物分类 + 不相容性——EWC映射输入。
Lewis, Richard J.. 2012. Sax's Dangerous Properties of Industrial Materials. Wiley. — 废物的反应性 + 储存兼容性（氧化剂与易燃物——分开的废物流）。
NIOSH. 2024. Pocket Guide to Chemical Hazards. U.S. Department of Health and Human Services. [link ↗] — 按CAS号的PEL/REL/IDLH——废物运输（KPO）期间所需PPE的基础。
OSHA. 2024. Occupational Chemical Database — Hazardous Waste Operations (HAZWOPER). Occupational Safety and Health Administration. [link ↗] — 29 CFR 1910.120——处理危险废物的培训 + PPE。
European Parliament and Council. 2008. Directive 2008/98/EC on waste (Waste Framework Directive). Official Journal of the European Union L 312/3. [link ↗] — 废物管理层次结构（预防→回收→处置）；定义“危险废物”。
European Parliament and Council. 2009. Regulation (EC) No 1272/2008 (CLP) on classification, labelling and packaging of substances and mixtures. Official Journal of the European Union L 353. [link ↗] — CLP危险说明分类 → 映射到EWC *（星号=危险）。
United Nations Economic Commission for Europe (UNECE). 2023. European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR 2025). UNECE. [link ↗] — ADR——危险废物运输要求（KPO + UN编号 + 1–9类）。
IPCS INCHEM. 2024. International Programme on Chemical Safety — Waste Management Guidelines. WHO/UNEP/ILO. [link ↗] — 按CAS号的中和 + 处置国际指南。
European Parliament and Council. 2006. Regulation (EC) No 1013/2006 on Shipments of Waste. Official Journal of the European Union L 190: 1–98. [link ↗] — 危险废物跨境转移——出口前的通知 + 同意要求
如何确保合规： Brak wpisu w zbiorze klasyfikacji zharmonizowanej (CLP Załącznik VI) dla tego numeru CAS — status poz. 28–30 (zakaz CMR) NIEZWERYFIKOWANY; nie zakładać braku ograniczenia. Zbiór ograniczeń Załącznika XVII również niepełny — sprawdź skonsolidowany Załącznik XVII oraz klasyfikację zharmonizowaną CMR na stronach ECHA.
法律依据： Rozporządzenie (WE) 1907/2006 (REACH) Załącznik XVII — ograniczenia produkcji/obrotu/stosowania
European Parliament and Council. 2008. Regulation (EC) No 1272/2008 on classification, labelling and packaging of substances and mixtures (CLP). Official Journal of the European Union L 353/1. CLP Regulation 1272/2008. [link ↗] — 物质和混合物的分类、标签和包装（欧盟GHS实施）
European Parliament and Council. 2006. Regulation (EC) No 1907/2006 concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH). Official Journal of the European Union L 396/1. REACH Regulation 1907/2006. [link ↗] — REACH — 化学品的注册、评估和授权；SVHC；安全数据表附件II
Ministerstwo Rodziny i Polityki Społecznej Rzeczypospolitej Polskiej. 2024. Rozporządzenie Ministra Rodziny i Polityki Społecznej z dnia 4 września 2024 r. w sprawie najwyższych dopuszczalnych stężeń i natężeń czynników szkodliwych dla zdrowia w środowisku pracy. Dziennik Ustaw RP 2024 poz. 1017. [link ↗] — 约600种化学物质的NDS和NDSCh——现行波兰职业接触限值
United Nations Economic Commission for Europe (UNECE). 2023. European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR), 2025 Edition. United Nations, Geneva. ADR 2025. [link ↗] — 危险货物道路运输国际协议 — UN编号、类别、包装
Parlament Europejski i Rada UE. 2008. "Rozporządzenie (WE) nr 1272/2008 w sprawie klasyfikacji, oznakowania i pakowania substancji (CLP)." Dz.Urz. UE L 353. [↗]
GHS，法规
United Nations Economic Commission for Europe (UNECE). 2021. "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), Ninth Revised Edition." United Nations, Geneva. [↗]
GHS
Goldfrank, Lewis R., Robert S. Hoffman, Mary Ann Howland, et al.. 2019. "Goldfrank's Toxicologic Emergencies, 11th ed.." McGraw-Hill Education, New York. ISBN 978-1-25-985961-8.
Pierwsza pomoc, Toksykologia
National Institute for Occupational Safety and Health (NIOSH). 2023. "NIOSH Pocket Guide to Chemical Hazards (DHHS Publ. 2005-149)." U.S. Department of Health and Human Services / CDC, Cincinnati, OH. [↗]
Pierwsza pomoc, PPE, Toksykologia
European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms." CEN, Brussels. [↗]
PPE
UNECE. 2023. "European Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR 2025)." United Nations, Geneva. [↗]
Utylizacja, Regulacje
National Fire Protection Association (NFPA). 2022. "NFPA 400 — Hazardous Materials Code." NFPA, Quincy, MA. [↗]
Magazynowanie
Urben, P.G. (ed.). 2017. "Bretherick's Handbook of Reactive Chemical Hazards, 8th ed.." Butterworth-Heinemann / Elsevier, Oxford. [↗]
Magazynowanie
Ministerstwo Klimatu i Środowiska RP. 2023. "Baza danych o produktach i opakowaniach oraz o gospodarce odpadami (BDO)." Ministerstwo Klimatu i Środowiska, Warszawa. [↗]
Utylizacja
International Agency for Research on Cancer (IARC / WHO). 2024. "IARC Monographs on the Identification of Carcinogenic Hazards to Humans — List of Classifications." WHO, Lyon. [↗]
Toksykologia
Ponto T, Latter G, Luna G, Leite-Silva V, Wright A, Benson H. Novel Self-Nano-Emulsifying Drug Delivery Systems Containing Astaxanthin for Topical Skin Delivery. Pharmaceutics. 2021;13:649. doi:10.3390/pharmaceutics13050649
Astaxanthin (ASX) is a potent lipophilic antioxidant derived from the natural pigment that gives marine animals their distinctive red-orange colour and confers protection from ultraviolet radiation. Self nano-emulsifying drug delivery systems (SNEDDS) have been successfully developed and evaluated to increase the skin penetration of ASX and target its antioxidant and anti-inflammatory potential to the epidermis and dermis. SNEDDS were prepared using a low-temperature spontaneous emulsification method, and their physical characteristics, stability, antioxidant activity, and skin penetration were characterized. Terpenes (D-limonene, geraniol, and farnesol) were included in the SNEDDS formulations to evaluate their potential skin penetration enhancement. An HPLC assay was developed that allowed ASX recovery from skin tissues and quantification. All SNEDDS formulations had droplets in the 20 nm range, with low polydispersity. ASX stability over 28 days storage in light and dark conditions was improved and antioxidant activity was high. SNEDDS-L1 (no terpene) gave significantly increased ASX penetration to the stratum corneum (SC) and the epidermis-dermis-follicle region (E + D + F) compared to an ASX in oil solution and a commercial ASX facial serum product. The SNEDDS-containing D-limonene gave the highest ASX permeation enhancement, with 3.34- and 3.79-fold the amount in the SC and E + D + F, respectively, compared to a similar applied dose of ASX in oil. We concluded that SNEDDS provide an effective formulation strategy for enhanced skin penetration of a highly lipophilic molecule, and when applied to ASX, have the potential to provide topical formulations for UV protection, anti-aging, and inflammatory conditions of the skin.
Exploring the In Vitro Photoprotective Effect of a Combination of Aspalathus linearis Natural Extracts: First Steps in Developing New Technologies for Photoprotection Strategies
HPLCInternational Journal of Molecular Sciences202593% ✓CC-BYResearch method (specificity, robustness)
色谱柱： C18, 100 x 4.6 mm, 0.45 μm
相： mobile phase consisted of a gradient elution using the proportions of solvent…
检测： UV 540 nm
流速： 1.00 mL/min
温度： 37.0 °C
Inj.: 200 μL
Gradient: elution using the proportions of solvent A (2% v/v acetic…
Cáceres Estévez I, Haya Rodriguez L, Haro Perdiguero E, Moreno Tovar F, Montalvo Lobo D, Botella L, et al. Exploring the In Vitro Photoprotective Effect of a Combination of Aspalathus linearis Natural Extracts: First Steps in Developing New Technologies for Photoprotection Strategies. International Journal of Molecular Sciences. 2025;26:2330. doi:10.3390/ijms26052330
There is a need for new technologies in photoprotection. The negative effects of solar exposure on the skin have been amply demonstrated and there is an urgency for the development of alternative photoprotective approaches. In this respect, natural extracts represent the most interesting and promising source. Among them, Aspalathus linearis extracts appear to be an excellent candidate due to supporting evidence, their multiple beneficial biological effects, and their robust toxicological profile. Here, we first explored the photoprotective properties of two different Aspalathus linearis extracts (fermented and unfermented) individually, and then in combination, in a simplified model assessing Normal Human Dermal Fibroblast survival after UVB radiation. Surprisingly, we found the fermented extract to be more photoprotective than the unfermented one. In addition, a specific combination of the two extracts showed a synergistic effect. By HPLC and FRAP analyses, we observed that the photoprotective effect did not correlate with the amount of Aspalathus linearis main characteristic metabolites nor with the antioxidant capacity of the ingredients. Finally, an additional photoprotective effect was observed when Aspalathus linearis extracts were combined with a Polypodium leucotomos extract (Fernblock®), a well-known botanical ingredient with demonstrated photoprotection activities. Thus, this work provides a solid scientific basis for the inclusion of this technology in future topical and systemic photoprotective strategies.
Ostera J, Olmos V, Puntarulo S, Bonetto J, Malanga G. High-Performance Liquid Chromatography Quantification of Glyphosate, Aminomethylphosphonic Acid, and Ascorbate in Culture Medium and Microalgal Cells. Bio-protocol. 2025;15:125955-125955. doi:10.21769/BioProtoc.5263
Glyphosate (GLY) is a widely used herbicide that can induce oxidative stress in microalgae and other non-target organisms. The quantification of GLY in surface water is a difficult task, especially in trace-level concentrations, due to its high polarity and susceptibility to biotic and abiotic degradation. Several analytical methods have been developed for GLY quantification. Most of them use high-performance liquid chromatography (HPLC) coupled with detection by mass spectrometry (MS) and include a derivatization step to decrease the polarity of the herbicide to improve detection. This protocol describes an adaptation of an existing protocol for the quantification of GLY and its metabolite aminomethylphosphonic acid (AMPA) in a water-based microalgae culture medium using ultra-high-pressure liquid chromatography (UHPLC) coupled with fluorescence detection (FLR). The principal advantage of this protocol compared with other analytical methods that employ HPLC–MS is its low cost and accessibility since it does not require an MS detector nor radioactively labeled analytical standards. Ascorbic acid (AH-) is one of the most important hydrosoluble non-enzymatic antioxidants in eukaryotic cells and plays a key role in many metabolic pathways of critical importance in plants and algae. In this protocol, we also describe an adaptation of a previously published protocol to quantify AH- in blood samples to be used in microalgal cells exposed to GLY and GLY-based herbicides. The sample preparation procedure for this last protocol is fast, easy, and does not require expensive equipment. It uses an HPLC system coupled with an electrochemical detector (EC) for AH- quantification but may be adapted to be used with a UV-Vis detector.
Key features
• These protocols employ HPLC or UHPLC. The end user should be proficient with this technique and be able to optimize chromatographic parameters as necessary.• The GLY and AMPA quantification protocol, designed upon the method developed by...
International Conference on Harmonisation (ICH). 2005. Validation of Analytical Procedures: Text and Methodology Q2(R1). ICH Expert Working Group. [link ↗] — Gold-standard ICH guideline — accepted by EMA, FDA, MHLW, NMPA
United States Pharmacopeia (USP) Convention. 2024. USP General Chapter <621> Chromatography. USP-NF 2024 ed. USP. [link ↗]
AOAC International. 2016. Appendix F: Guidelines for Standard Method Performance Requirements. AOAC INTERNATIONAL. [link ↗] — AOAC SMPR — alternative to ICH Q2 for food/dietary supplements
Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. John Wiley & Sons. ISBN 978-0-470-16754-0. https://doi.org/10.1002/9780470508183 [link ↗] — Industry standard textbook — Chapter 11 covers method validation
Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. Practical HPLC Method Development. 2nd ed. Wiley. ISBN 978-0-471-00703-6. — Classic method-development reference (DryLab heritage).
Rozet, Eric, et al.. 2013. Analysis of recent pharmaceutical regulatory documents on analytical method validation. https://doi.org/10.1016/j.chroma.2007.03.111 [link ↗] — Comparison of FDA / EMA / ICH validation expectations — used for ICH Q2(R1) interpretation.
Heyden, Yvan Vander, et al.. 2009. Robustness of pharmaceutical liquid chromatographic methods. https://doi.org/10.1016/j.jchromb.2008.10.052 [link ↗] — Plackett-Burman design for robustness — basis of ICH Q2 §3.7.
Dong, Michael W.. 2019. HPLC and UHPLC for Practicing Scientists. 2nd ed. Wiley. ISBN 978-1-119-31378-3. https://doi.org/10.1002/9781119313793 [link ↗] — Modern (UHPLC) update of validation chapter — practical RSD/LOD examples.
Meyer, Veronika R.. 2010. Practical High-Performance Liquid Chromatography. 5th ed. Wiley. ISBN 978-0-470-68218-0. — European pharmacopeial perspective — complements USP/AOAC.
Kazakevich, Yuri V., and Rosario LoBrutto, eds.. 2007. HPLC for Pharmaceutical Scientists. Wiley-Interscience. ISBN 978-0-471-68162-4. https://doi.org/10.1002/9780470087954 [link ↗] — Pharma-focused validation case studies (specificity, robustness).
European Medicines Agency (EMA). 2011. Guideline on bioanalytical method validation EMEA/CHMP/EWP/192217/2009. EMA Committee for Medicinal Products for Human Use. [link ↗] — EMA bioanalytical companion to ICH Q2(R1) for clinical samples.
Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. John Wiley & Sons. Chapter 17 (Troubleshooting) pp. 559-616. ISBN 978-0-470-16754-0. https://doi.org/10.1002/9780470508183 [link ↗]
Dolan, John W.. 2014. LC Troubleshooting (monthly column 1989-2024). LCGC North America. [link ↗] — John Dolan 35-letnia seria miesięcznych artykułów problemowych
Kromidas, Stavros. 2017. HPLC Made to Measure: A Practical Handbook for Optimization. 2nd ed. Wiley-VCH. ISBN 978-3-527-31377-1. — Praktyczny przewodnik problem-solving dla labs analitycznych
Dolan, John W.. 2013. When to Modify Method Conditions. 192-199. [link ↗] — Decision flow for changing flow rate / temperature / %B vs swapping columns.
Dong, Michael W.. 2019. HPLC and UHPLC for Practicing Scientists. 2nd ed. Wiley. ISBN 978-1-119-31378-3. https://doi.org/10.1002/9781119313793 [link ↗] — Chapter 9 covers troubleshooting modern UHPLC systems (sub-2 µm particles).
Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. Practical HPLC Method Development. 2nd ed. Wiley. ISBN 978-0-471-00703-6. — Method-development companion volume with troubleshooting cross-refs.
Carr, Peter W.. 2009. The new physical chemistry of HPLC. 1764-1772. https://doi.org/10.1016/j.chroma.2008.11.094 [link ↗] — Theoretical basis for diagnosing efficiency losses (mass-transfer, eddy diffusion).
Heyden, Yvan Vander, et al.. 2009. Robustness of pharmaceutical liquid chromatographic methods. 2120-2129. https://doi.org/10.1016/j.jchromb.2008.10.052 [link ↗] — How to diagnose method failures vs. system failures (Plackett-Burman).
Engelhardt, Heinz. 2014. 100 Years of Chromatography. 2nd ed. Wiley-VCH. ISBN 978-3-527-33473-5. — Historical context for ghost-peak phenomenology (silica chemistry).
Stoll, Dwight R., and Peter W. Carr. 2017. Two-Dimensional Liquid Chromatography: A State of the Art Tutorial. 519-531. https://doi.org/10.1021/acs.analchem.6b03506 [link ↗]
Carr, Peter W.. 2009. The new physical chemistry of HPLC. 1764-1772. https://doi.org/10.1016/j.chroma.2008.11.094 [link ↗]
Wu, Naijun, and Anton M. Clausen. 2007. Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations. 1167-1182. https://doi.org/10.1002/jssc.200700026 [link ↗]
Engelhardt, Heinz. 2014. 100 Years of Chromatography. 2nd ed. Wiley-VCH. ISBN 978-3-527-33473-5.
Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. Probabilistic approach to peak deconvolution in chromatography. 8525-8531. https://doi.org/10.1021/ac101742z [link ↗]
Yalkowsky, Samuel H., and Shri C. Valvani. 1980. "Solubility and Partitioning I: Solubility of Nonelectrolytes in Water." Journal of Pharmaceutical Sciences 69 (8): 912–922. https://doi.org/10.1002/jps.2600690814 — General Solubility Equation (GSE): logS = 0.5 − logP − 0.01(MP−25).
Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. CRC Press. https://doi.org/10.1201/9781420006834 — HSP三元组（dD, dP, dH）+ Ra公式。
Stefanis, E., and C. Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." Int J Thermophys 29: 568–585. https://doi.org/10.1007/s10765-008-0415-z
Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Wiley-VCH. https://doi.org/10.1002/9783527632220 — E_T(30) polarity scale, solwatochromia.
Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. Wiley. https://doi.org/10.1002/9780470508183 — Eluotropic series, polarity index.
Van Krevelen, D. W., and K. Te Nijenhuis. 2009. Properties of Polymers. 4th ed. Elsevier. https://doi.org/10.1016/B978-0-08-054819-7.X0001-5 — Hoftyzer–Van Krevelen group contribution dla dD/dP/dH z SMILES.
Marcus, Yizhak. 1998. The Properties of Solvents. Wiley Series in Solution Chemistry, Vol. 4. ISBN 9780471983699 — 250+溶剂的完整表格数据集（ε、μ、供体数、受体数）。
PubChem Compound Database — CAS 50-81-7 lookup ↗ — logP (XLogP3), water solubility experimental + predicted.
完整参考文献位于页面底部的参考文献折叠面板——芝加哥格式手册第17版作者-日期格式。
🧮 溶解度计算器
溶解度：—
logS:—
方法：—
⚠️ —
溶解度 vs 温度
🌐 Hansen Solubility Sphere (3D)
越靠近分子（红色球体），溶剂越好。 · 高级：标签+网格+坐标轴+脉冲。
您的分子
良好（Ra < 5）
中等（Ra 5-10）
较差（Ra > 10）
📚 HSP + Ra数据来源
Ke Z; Zhang Y; Jiang X; Luo J; Chen H; Ma Y. 2026. "Ascorbic acid enhances antidepressant-like efficacy of esketamine: Hippocampal TARP-γ8-containing AMPA receptors mediate synaptic modulation." Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics. https://doi.org/10.1016/j.neurot.2025.e00786. [tło tematyczne — CAS niezweryfikowany w tej publikacji] [DOI ↗]
Zou Y; Zhang M; Zhou D; Chi C; Wu F; Ding CF. 2025. "Identification and characterization of chiral vitamin C using ion mobility and theoretical calculation." Analytical and bioanalytical chemistry. https://doi.org/10.1007/s00216-025-05855-7. [DOI ↗]
Tarhouchi S; Hlaibi M. 2024. "Kinetic control aspects and mechanisms in oriented membrane processes for extraction and recovery of ascorbic acid compound." Environmental science and pollution research international. https://doi.org/10.1007/s11356-024-35453-6. [DOI ↗]
Begimbetova D; Burska AN; Baltabekova A; Kussainova A; Kukanova A; Fazyl F. 2024. "The Vitamin C Enantiomers Possess a Comparable Potency in the Induction of Oxidative Stress in Cancer Cells but Differ in Their Toxicity." International journal of molecular sciences. https://doi.org/10.3390/ijms25052531. [DOI ↗]
Li J; Du N; Guan R; Zhao S. 2023. "Construction of a Chiral Fluorescent Probe for Tryptophan Enantiomers/Ascorbic Acid Identification." ACS applied materials & interfaces. https://doi.org/10.1021/acsami.3c02423. [tło tematyczne — CAS niezweryfikowany w tej publikacji] [DOI ↗]
Maneffa AJ, Harrison AB, Radford SJ, Whitehouse AS, Clark JH, Matharu AS.. 2020. "Deep Eutectic Solvents Based on Natural Ascorbic Acid Analogues and Choline Chloride." . https://doi.org/10.1002/open.202000020. [DOI ↗]
el-Hady DA; Gotti R; el-Maali NA. 2008. "Selective determination of catechin, epicatechin and ascorbic acid in human urine using chiral capillary electrophoresis." Journal of separation science. https://doi.org/10.1002/jssc.200700638. [DOI ↗]
Grisar JM; Marciniak G; Bolkenius FN; Verne-Mismer J; Wagner ER. 1995. "Cardioselective ammonium, phosphonium, and sulfonium analogues of alpha-tocopherol and ascorbic acid that inhibit in vitro and ex vivo lipid peroxidation and scavenge superoxide radicals." Journal of medicinal chemistry. https://doi.org/10.1021/jm00015a010. [DOI ↗]
❓ Jak przygotować roztwór standardowy kwasu L-askorbinowego o stężeniu 0,1 mol/L?
Aby przygotować roztwór standardowy kwasu L-askorbinowego (C6H8O6) o stężeniu 0,1 mol/L: 1. Oblicz masę substancji: n = 0,1 mol/L * 1 L = 0,1 mola; m = n * MM = 0,1 mol * 176,12 g/mol = 17,612 g. 2. Odmierz 17,612 g kwasu L-askorbinowego i rozpuść w około 900 mL wody dejonizowanej. 3. Uzupełnij do objętości 1 L wodą dejonizowaną.
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❓ Jak przechowywać kwas L-askorbinowy, aby zachować jego stabilność?
Kwas L-askorbinowy należy przechowywać: 1. W temperaturze pokojowej (15-25°C). 2. W ciemnym miejscu, chroniąc przed bezpośrednim światłem słonecznym. 3. W szczelnie zamkniętym pojemniku, aby ograniczyć kontakt z wilgocią i tlenem.
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❓ Jaka jest odpowiednia metoda analityczna do oznaczania czystości kwasu L-askorbinowego?
Dla kwasu L-askorbinowego (MW 176,12 g/mol) zalecana jest metoda HPLC (high-performance liquid chromatography), która pozwala na precyzyjne oznaczenie czystości i identyfikację ewentualnych zanieczyszczeń. Alternatywnie, można użyć spektroskopii UV-Vis przy λ=240 nm.
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❓ Jakie są potencjalne niezgodności chemiczne kwasu L-askorbinowego w roztworach wodnych?
Kwas L-askorbinowy może reagować z: 1. Silnymi utleniaczami (np. nadtlenkiem wodoru), tworząc produkty uboczne. 2. Zasadami (pH > 4,5), ulegając deprotonacji i zmieniając właściwości analityczne. 3. Jony metali ciężkich (np. Fe³⁺), tworząc kompleksy.
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❓ W jakim celu stosuje się kwas L-askorbinowy w laboratoriach chemicznych?
Kwas L-askorbinowy jest używany jako: 1. Standard w titracjach redoks. 2. Środek przeciwutleniający w syntezach organicznych. 3. Wzorzec wewnętrzny w analizie HPLC.
Inne nazwy: kwas L-askorbinowy, witamina C, L-askorbinian
Zastosowania
Używany jako przeciwutleniacz w przemyśle spożywczym – zapobiega utlenianiu produktów.
Stosowany w laboratoriach jako reduktor w analizie chemicznej – działa w reakcjach redoks.
Wykorzystywany do przygotowania roztworów buforowych – pomaga kontrolować pH.
Może służyć do czyszczenia metali – rozpuszcza osady żelaza i miedzi.
Stosowany w doświadczeniach edukacyjnych – pokazuje działanie przeciwutleniaczy.
Specyfikacja
Opakowanie: 1000 g (1 kg). Przechowywać w suchym miejscu, w szczelnym pojemniku, w temperaturze pokojowej. Unikać światła słonecznego. Produkt nie nadaje się do spożycia.
Najczęściej zadawane pytania
Czy kwas L-askorbinowy można używać do oczyszczania powierzchni metalowych?
Tak. Kwas L-askorbinowy działa jako łagodny reduktor. Pomaga usuwać rdzę z drobnych elementów metalowych. Nie koroduje powierzchni tak silnie jak mocne kwasy. Czy wiesz, że jest często używany do czyszczenia antyków bez uszkadzania detali?
Czy kwas L-askorbinowy dobrze rozpuszcza się w wodzie?
Tak. Łatwo rozpuszcza się w wodzie – daje klarowny roztwór. Rozpuszczalność wynosi około 330 g/L w 20°C. Nie rozpuszcza się w tłuszczach. Czy wiesz, że jego rozpuszczalność maleje w zimnej wodzie – dlatego lepiej mieszać go w letniej wodzie?
Czym różni się ten kwas od kwasu cytrynowego przy użyciu w doświadczeniach chemicznych?
Kwas L-askorbinowy to silniejszy przeciwutleniacz niż kwas cytrynowy. Nie działa jako kwas tak mocno, ale lepiej chroni przed utlenianiem. Kwas cytrynowy lepiej chelatuje metale. Oba są bezpieczne w użyciu laboratoryjnym przy ostrożności.
Źródła i literatura
PubChem — National Library of Medicine: Kompletna baza właściwości fizykochemicznych tej substancji (CID 54670067). Zawiera dane spektroskopowe, toksykologiczne i informacje o interakcjach. pubchem.ncbi.nlm.nih.gov
Wikipedia PL: Przegląd zastosowań, metod produkcji i właściwości kwasu L-askorbinowego. pl.wikipedia.org
Karta charakterystyki (SDS): Według rozporządzenia REACH (WE) 1907/2006 — informacje o bezpieczeństwie, klasyfikacji GHS i oznaczeniu substancji.
Rozporządzenie CLP (WE) 1272/2008: Klasyfikacja, oznaczenie i pakowanie substancji chemicznych. H315 (powoduje podrażnienie skóry), H319 (powoduje poważne podrażnienie oczu), P280 (używać rękawic ochronnych).
⚠ UWAGA — ODCZYNNIK CHEMICZNY
Kwas L askorbinowy chemiczny do zastosowań technicznych (C6H8O6) powszechnie znana jako witamina C, kwas askorbinowy to odczynnik chemiczny przeznaczony wyłącznie do zastosowań laboratoryjnych, badawczych i profesjonalnych. Numer CAS: 50-81-7 Numer WE (EC): 200-066-2 Nazwa IUPAC:kwas (5R)-[(1S)-1,2-dihydroksyetylo]-3,4-dihydroksyfuran-2(5H)-on Nazwa łacińska (Farmakopea):Acidum ascorbicum
NIE NADAJE SIĘ DO SPOŻYCIA przez ludzi ani zwierzęta. Produkt nie jest lekiem, suplementem diety, kosmetykiem ani środkiem spożywczym. Jakiekolwiek inne zastosowanie niż laboratoryjne lub przemysłowe jest niezgodne z przeznaczeniem produktu.
Wymagane środki ochrony osobistej: rękawice ochronne, okulary lub gogle, fartuch laboratoryjny, praca w dobrze wentylowanym pomieszczeniu lub pod wyciągiem chemicznym.
Przed użyciem zapoznaj się z kartą charakterystyki substancji (SDS/MSDS) zgodnie z rozporządzeniem REACH (WE) 1907/2006 oraz CLP (WE) 1272/2008. Sprzedaż wyłącznie do celów technicznych.
Snyder, Lloyd R., John W. Dolan, and Joseph J. Kirkland. 2010. Introduction to Modern Liquid Chromatography. Wiley. — Chapter 9 — gradient elution, LSS theory (cited as Snyder et al. 2010 in tool description).
Schoenmakers, Peter J. 1986. Optimization of Chromatographic Selectivity: A Guide to Method Development. Elsevier. — Numerical optimization of gradient programs.
Snyder, L. R., and J. W. Dolan. 2007. High-Performance Gradient Elution: The Practical Application of the Linear-Solvent-Strength Model. Wiley. — Foundational LSS reference for the %B_init = 5 + 8·logP heuristic implemented here.
Nikitas, Pavlos, and Adrian Pappa-Louisi. 2009. "Retention models for isocratic and gradient elution in reversed-phase liquid chromatography." Journal of Chromatography A 1216: 1737-1755. [DOI ↗] — Modern review of gradient retention models — basis for non-LSS extensions.
Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. [DOI ↗]
Dong, Michael W. 2019. HPLC and UHPLC for Practicing Scientists. Wiley. https://doi.org/10.1002/9781119313793. — Modern UHPLC gradient programming, sub-2 µm scaling rules.
Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182. [DOI ↗]
Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531. [DOI ↗] — Reference for orthogonal gradient design (2D-LC second dimension).
Dolan, John W.. 2013. "When to Modify Method Conditions." LCGC North America 31: 192-199.
Meyer, Veronika R. 2010. Practical High-Performance Liquid Chromatography. Wiley. — Chapter 7 — practical gradient design with isokratyczny scouting.
Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531. [DOI ↗]
Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. [DOI ↗]
Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182. [DOI ↗]
Engelhardt, Heinz. 2014. 100 Years of Chromatography. Wiley-VCH.
Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography." Analytical Chemistry 82: 8525-8531. [DOI ↗]
REST: /wp-json/molgod/v1/hplc/gradient/50-81-7
🌈 检测器 + 波长 (UV/Vis)243 nm
化合物
Ascorbic acid (Vitamin C)
λmax
243 nm
λmin
220 nm
εmax (M⁻¹·cm⁻¹)
7,700
溶剂（参比）
water (pH 2)
建议 λ
243 nm
推荐检测器
UV
替代方案
PDA/DAD, MS, FLD
数据源: Skoog 2017
📚 科学参考文献（芝加哥作者-日期格式）17 refs
METODA
方法参考文献
Skoog, Douglas A., F. James Holler, and Stanley R. Crouch. 2017. "Principles of Instrumental Analysis." 7th ed. Cengage Learning. ISBN 978-1-305-57721-3.
Perkampus, Heinz-Helmut. 1992. "UV-VIS Spectroscopy and Its Applications." Springer. ISBN 978-3-642-77479-9. →
Sadek, Paul C.. 2002. "The HPLC Solvent Guide." 2nd ed. Wiley-Interscience. ISBN 978-0-471-41138-4.
Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." 3rd ed. Wiley. ISBN 978-0-470-16754-0. →
Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." 2nd ed. Wiley. ISBN 978-1-119-31378-3. →
Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531 →
Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography." Analytical Chemistry 82: 8525-8531 →
Kazakevich, Yuri V., and Rosario LoBrutto, eds.. 2007. "HPLC for Pharmaceutical Scientists." Wiley-Interscience. ISBN 978-0-471-68162-4. →
Kim, Sunghwan, et al.. 2023. "PubChem 2023 update." Nucleic Acids Research 51: D1373-D1380 →
Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531 →
Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772 →
Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182 →
Engelhardt, Heinz. 2014. "100 Years of Chromatography." 2nd ed. Wiley-VCH. ISBN 978-3-527-33473-5.
Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography." Analytical Chemistry 82: 8525-8531 →
USP General Chapter <621>. 2024. "Chromatography." United States Pharmacopeial Convention. [link ↗] — Defines USP Tailing Factor T = (a+b)/(2a) measured at 5% peak height.
International Council for Harmonisation (ICH). 2023. "Validation of Analytical Procedures Q2(R2)." ICH Expert Working Group. [link ↗] — Tailing factor is a system suitability parameter (Section 6).
Foley, Joe P., and John G. Dorsey. 1983. "Equations for calculation of chromatographic figures of merit for ideal and skewed peaks." Analytical Chemistry 55: 730-737 https://doi.org/10.1021/ac00255a033 [link ↗] — Original asymmetry factor As = b/a at 10% height (Foley & Dorsey 1983).
Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." Wiley. https://doi.org/10.1002/9780470508183 [link ↗] — Chapter 2.4 — peak shape diagnostics and remedies.
Dolan, John W.. 2003. "Peak tailing and resolution." LCGC North America 21: 610-614 [link ↗] — How tailing factor degrades effective resolution.
Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography." Analytical Chemistry 82: 8525-8531 https://doi.org/10.1021/ac101742z [link ↗] — Modern numerical deconvolution for asymmetric peaks.
Kromidas, Stavros. 2017. "HPLC Made to Measure: A Practical Handbook for Optimization." Wiley-VCH. — Practical Tf and As thresholds for routine QC.
Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." Wiley. https://doi.org/10.1002/9781119313793 [link ↗]
Heyden, Yvan Vander, et al.. 2009. "Robustness of pharmaceutical liquid chromatographic methods." Journal of Chromatography B 877: 2120-2129 https://doi.org/10.1016/j.jchromb.2008.10.052 [link ↗]
Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531 https://doi.org/10.1021/acs.analchem.6b03506 [link ↗]
Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772 https://doi.org/10.1016/j.chroma.2008.11.094 [link ↗]
Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182 https://doi.org/10.1002/jssc.200700026 [link ↗]
Engelhardt, Heinz. 2014. "100 Years of Chromatography." Wiley-VCH.
Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography." Analytical Chemistry 82: 8525-8531 https://doi.org/10.1021/ac101742z [link ↗]
Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." 3rd ed. John Wiley & Sons. ISBN 978-0-470-16754-0. https://doi.org/10.1002/9780470508183 [link ↗] — Chapter 2 covers resolution, plate count and HETP fundamentals (Snyder et al. 2010).
USP General Chapter <621>. 2024. "Chromatography." USP-NF 2024 ed. United States Pharmacopeial Convention. [link ↗] — Defines Rs >= 1.5 acceptance criterion and N calculation methods.
Dolan, John W.. 2003. "How much resolution is enough?." LCGC North America 21: 350-353 [link ↗] — Practical guidance on Rs targets for routine method development.
Van Deemter, J. J., F. J. Zuiderweg, and A. Klinkenberg. 1956. "Longitudinal diffusion and resistance to mass transfer as causes of nonideality in chromatography." Chemical Engineering Science 5: 271-289 https://doi.org/10.1016/0009-2509(56)80003-1 [link ↗] — Origin of N = 5.54·(tr/w0.5)² half-height plate count formulation.
Giddings, J. Calvin. 1965. "Dynamics of Chromatography, Part I: Principles and Theory." Marcel Dekker. ISBN 978-0-8247-1357-7. — Resolution equation Rs = (1/4)·√N·(α-1)/α·k/(1+k) (master equation).
Foley, Joe P., and John G. Dorsey. 1983. "Equations for calculation of chromatographic figures of merit for ideal and skewed peaks." Analytical Chemistry 55: 730-737 https://doi.org/10.1021/ac00255a033 [link ↗] — Skewed-peak corrections to apparent N.
Knox, John H.. 1977. "Practical aspects of LC theory." Journal of Chromatographic Science 15: 352-364 https://doi.org/10.1093/chromsci/15.9.352 [link ↗]
Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772 https://doi.org/10.1016/j.chroma.2008.11.094 [link ↗]
Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." 2nd ed. Wiley. ISBN 978-1-119-31378-3. https://doi.org/10.1002/9781119313793 [link ↗]
Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531 https://doi.org/10.1021/acs.analchem.6b03506 [link ↗]
Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772 https://doi.org/10.1016/j.chroma.2008.11.094 [link ↗]
Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182 https://doi.org/10.1002/jssc.200700026 [link ↗]
Engelhardt, Heinz. 2014. "100 Years of Chromatography." 2nd ed. Wiley-VCH. ISBN 978-3-527-33473-5.
Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography." Analytical Chemistry 82: 8525-8531 https://doi.org/10.1021/ac101742z [link ↗]
USP General Chapter <621>. 2024. "Chromatography (System Suitability section)." USP-NF 2024 ed. United States Pharmacopeial Convention. [link ↗] — Defines RSD area < 2%, tailing < 2.0, N > 2000 acceptance criteria.
International Council for Harmonisation (ICH). 2023. "Validation of Analytical Procedures Q2(R2)." ICH Expert Working Group. [link ↗] — Section 5.4 — system suitability is part of method validation.
US Food and Drug Administration (FDA). 2018. "Reviewer Guidance: Validation of Chromatographic Methods." US Food and Drug Administration. [link ↗] — CDER reviewer perspective on chromatographic validation expectations.
Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." 3rd ed. Wiley. — Chapter 2 — system suitability fundamentals (RSD, Tf, N).
Heyden, Yvan Vander, et al.. 2009. "Robustness of pharmaceutical liquid chromatographic methods." — Robustness vs. system suitability — design-of-experiments framework.
Rozet, Eric, et al.. 2013. "Analysis of recent pharmaceutical regulatory documents on analytical method validation."
European Medicines Agency (EMA). 2011. "Guideline on bioanalytical method validation EMEA/CHMP/EWP/192217/2009." EMA. [link ↗] — EMA companion guideline with bioanalytical SS criteria.
Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." 2nd ed. Wiley. — UHPLC-specific suitability adjustments (n=5 vs. n=6).
Kazakevich, Yuri V., and Rosario LoBrutto, eds.. 2007. "HPLC for Pharmaceutical Scientists." Wiley-Interscience.
AOAC International. 2016. "Appendix F: Guidelines for Standard Method Performance Requirements." AOAC INTERNATIONAL. [link ↗] — Alternative SS thresholds for food/dietary samples.
Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial."
Carr, Peter W.. 2009. "The new physical chemistry of HPLC."
Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations."
Engelhardt, Heinz. 2014. "100 Years of Chromatography." 2nd ed. Wiley-VCH.
Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography."
⚗️ Jonizacja w funkcji pH (Henderson-Hasselbalch)MolGod_PHION_1
Typ: Kwas · pKa: 4.1 · pKa2: 11.6
pH
% jonowy
% niejonowy
0
0.0 %
100.0 %
2
0.8 %
99.2 %
4
44.3 %
55.7 %
6
98.8 %
1.2 %
8
100.0 %
0.0 %
10
100.0 %
0.0 %
12
100.0 %
0.0 %
14
100.0 %
0.0 %
Źródła dla tej substancji (10)
CRC Handbook 91st ed. Lide, David R., ed. 2010. CRC Handbook of Chemistry and Physics. 91st ed. Boca Raton, FL: CRC Press.
CRC Handbook 105th ed. Haynes, William M., David R. Lide, and Thomas J. Bruno, eds. 2024. CRC Handbook of Chemistry and Physics. 105th ed. Boca Raton, FL: CRC Press.
NIST WebBook — link Linstrom, Peter J., and William G. Mallard, eds. 2024. NIST Chemistry WebBook. NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology.
PubChem CID 54670067 — link Kim, Sunghwan, Jie Chen, Tiejun Cheng, Asta Gindulyte, Jia He, Siqian He, Qingliang Li, et al. 2023. "PubChem 2023 update." Nucleic Acids Research 51 (D1): D1373-D1380. PubChem CID 54670067.
DrugBank DB00126 — link Knox, Craig, Mike Wilson, Christen M. Klinger, Mark Franklin, Eponine Oler, Alex Wilson, Allison Pon, et al. 2024. "DrugBank 6.0: the DrugBank Knowledgebase for 2024." Nucleic Acids Research 52 (D1): D1265-D1275. DrugBank ID DB00126.
ChEMBL CHEMBL196 — link Zdrazil, Barbara, Eloy Felix, Fiona Hunter, Emma J. Manners, James Blackshaw, Sybilla Corbett, Marleen de Veij, et al. 2024. "The ChEMBL Database in 2023." Nucleic Acids Research 52 (D1): D1180-D1192. ChEMBL ID CHEMBL196.
KEGG COMPOUND C00072 — link Kanehisa, Minoru, Miho Furumichi, Yoko Sato, Masayuki Kawashima, and Mari Ishiguro-Watanabe. 2023. "KEGG for taxonomy-based analysis of pathways and genomes." Nucleic Acids Research 51 (D1): D587-D592.
IUPAC Serjeant, E. P., and Boyd Dempsey. 1979. Ionisation Constants of Organic Acids in Aqueous Solution. IUPAC Chemical Data Series No. 23. Oxford: Pergamon Press.
NIST Goldberg, Robert N., Nand Kishore, and Rebecca Lennen. 2002. "Thermodynamic Quantities for the Ionization Reactions of Buffers." Journal of Physical and Chemical Reference Data 31 (2): 231-370.
Bibliografia metody (Chicago)
Henderson, L. J. 1908. "Concerning the Relationship between the Strength of Acids and Their Capacity to Preserve Neutrality." American Journal of Physiology 21 (4): 173-179.
Hasselbalch, K. A. 1917. "Die Berechnung der Wasserstoffzahl des Blutes aus der freien und gebundenen Kohlensäure desselben." Biochemische Zeitschrift 78: 112-144.
Po, Henry N., and N. M. Senozan. 2001. "The Henderson-Hasselbalch Equation: Its History and Limitations." Journal of Chemical Education 78 (11): 1499-1503.
Avdeef, Alex. 2012. "Absorption and Drug Development: Solubility, Permeability, and Charge State." 2nd ed. Wiley.
Avdeef, Alex. 2007. "Solubility of sparingly-soluble ionizable drugs." Advanced Drug Delivery Reviews 59 (7): 568-590.
Volgyi, Gergely, et al. 2007. "Potentiometric and spectrophotometric pKa determination of water-insoluble compounds." Analytica Chimica Acta 583 (2): 418-428.
Fini, Adamo, Giuseppe Fazio, and Giuseppina Feroci. 1997. "Solubility and solubilization properties of non-steroidal anti-inflammatory drugs." Pharmaceutica Acta Helvetiae 70 (4): 305-318.
Mauger, John W., Anthony N. Paruta, and Robert J. Gerraughty. 1972. "Solubilities of sulfadiazine, sulfisomidine, and sulfadimethoxine." Journal of Pharmaceutical Sciences 61 (1): 94-97.
Lyman, Warren J., William F. Reehl, and David H. Rosenblatt. 1990. "Handbook of Chemical Property Estimation Methods." American Chemical Society.
Marcus, Yizhak. 1998. "The Properties of Solvents." Wiley.
Serjeant, E. P., and Boyd Dempsey. 1979. Ionisation Constants of Organic Acids in Aqueous Solution. IUPAC Chemical Data Series No. 23. Oxford: Pergamon Press.
Perrin, Douglas D. 1965. Dissociation Constants of Organic Bases in Aqueous Solution. IUPAC. London: Butterworths.
Goldberg, Robert N., Nand Kishore, and Rebecca Lennen. 2002. "Thermodynamic Quantities for the Ionization Reactions of Buffers." Journal of Physical and Chemical Reference Data 31 (2): 231-370.
Haynes, William M., David R. Lide, and Thomas J. Bruno, eds. 2024. CRC Handbook of Chemistry and Physics. 105th ed. Boca Raton, FL: CRC Press.
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模型：以 λmax 为中心的高斯曲线，按比尔-朗伯定律 A = ε · c · l 缩放。透射率 T = 10^(-A) · 100%。
📚 科学参考文献（芝加哥作者-日期格式）
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Zou Y; Zhang M; Zhou D; Chi C; Wu F; Ding CF. 2025. "Identification and characterization of chiral vitamin C using ion mobility and theoretical calculation." Analytical and bioanalytical chemistry. https://doi.org/10.1007/s00216-025-05855-7. [DOI]
Tarhouchi S; Hlaibi M. 2024. "Kinetic control aspects and mechanisms in oriented membrane processes for extraction and recovery of ascorbic acid compound." Environmental science and pollution research international. https://doi.org/10.1007/s11356-024-35453-6. [DOI]
Begimbetova D; Burska AN; Baltabekova A; Kussainova A; Kukanova A; Fazyl F. 2024. "The Vitamin C Enantiomers Possess a Comparable Potency in the Induction of Oxidative Stress in Cancer Cells but Differ in Their Toxicity." International journal of molecular sciences. https://doi.org/10.3390/ijms25052531. [DOI]
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Grisar JM; Marciniak G; Bolkenius FN; Verne-Mismer J; Wagner ER. 1995. "Cardioselective ammonium, phosphonium, and sulfonium analogues of alpha-tocopherol and ascorbic acid that inhibit in vitro and ex vivo lipid peroxidation and scavenge superoxide radicals." Journal of medicinal chemistry. https://doi.org/10.1021/jm00015a010. [DOI]
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🔍 独立来源确认 SINGLEλmax = 245 nm (1 来源, ±5 nm)
🗃️ database
Kim, Sunghwan, et al. 2023. "PubChem 2023 update." Nucleic Acids Research 51 (D1): D1373-D1380. https://doi.org/10.1093/nar/gkac956. UV spectrum data for CAS 50-81-7 sourced from Hazardous Substances Data Bank (HSDB). PubChem CID: 54670067. Accessed 2026. λ=245 nm
📚 textbook
Dulski, Thomas R.. 2017. "UV/Visible Molecular Absorption Spectrophotometry." Trace Elemental Analysis of Metals: 177-252. https://doi.org/10.1201/9780203735299-5. [DOI]
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