zolfo — etichetta CAS 7704-34-9

zolfo

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Reagente chimico Siarka (CAS 7704-34-9). Scheda enciclopedica completa — classificazione, proprietà e dati di sicurezza — di seguito.

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MolGod_SDSCARD_1
REACH 2020/878
v3 · 31.07.2026
Category:
🧬 Visualizzatore di molecole 3D
Caricamento molecola...
Modello 3D Sulfur, CAS 7704-34-9, formula molecolare S, massa molare 32.07 g/mol
Panoramica chimica: SulfurMolGod_OVERVIEW_1
Formula molecolareS
Peso molecolare32.07 g/mol
Punto di ebollizione445 °C
Densità2.1 g/cm³
LogP (lipofilia)0.5
SMILES[S]
InChIKeyNINIDFKCEFEMDL-UHFFFAOYSA-N

Sinonimi: alpha-Sulfur · Spot Correction · Sulfur-Lavender · Sulfur Lotion · Amino Mask

Fonti dei dati: PubChem (NLM/NIH)
Ultimo aggiornamento: 2026-11-10

RICERCA SCIENTIFICA

[1]Semantic Scholar2017
Anorganski spojevi sumpora u ljudskom tijelu. I. Okso-spojevi.
Sanja Stanković, Rudolf Kiralj. (2017). "Anorganski spojevi sumpora u ljudskom tijelu. I. Okso-spojevi.". https://doi.org/10.15255/KUI.2016.048
Vai allo studio completo ↗
📚 Riferimenti scientifici (Chicago Author-Date) 1 refs · 2 baz

MOLEKUŁA Bibliografia per-CAS (live da 13+ banche dati)

Fonti: db:semantic_scholar (1)

  1. db:semantic_scholar Sanja Stanković, Rudolf Kiralj. (2017). "Anorganski spojevi sumpora u ljudskom tijelu. I. Okso-spojevi.". https://doi.org/10.15255/KUI.2016.048 →
📊 Proprietà fisico-chimiche

Riferimento rapido

Formula: S
MW: 32.07 g/mol
CAS: 7704-34-9
Aspetto: Pure sulfur exists in two stable crystalline forms, alpha and beta, and at least two amorphous (liquid) forms. Alpha-sulfur: rhombic, octahedral, yellow crystals; beta-sulfur: monoclinic, prismatic, pale-yellow crystals
Odore: Pure sulfur is odorless, but traces of hydrocarbon impurity may impart an oily and/or rotten egg odor
Odore: Pure sulfur is odorless, but traces of hydrocarbon impurity may impart an oily and/or rotten egg odor

Proprietà dettagliate

Proprietà Valore Unità Conditions Source
Densità (ρ) 2.1000 g/cm³ 20 °C (68 °F)
Punto di ebollizione (bp) 445.00 °C (833 °F) 1 atm
Solubilità in acqua 0.010 g/L 25 °C (77 °F)
🔬 Proprietà avanzate

Identificatori chimici

SMILES: [S]

Fonti dei dati: PubChem, NIST Chemistry WebBook, CRC Handbook of Chemistry and Physics (103rd ed.)

Ultimo aggiornamento: 2026-06-30

Stato normativo della sostanza
Questa sostanza è soggetta a requisiti normativi: gestione dei rifiuti pericolosi (BDO). Dettagli nella sezione "Stato normativo (REACH/ECHA/CLP)" e nella scheda SDS. Informazione normativa — non limita l'acquisto nel negozio.
🧮 Calcolatore stechiometricoMolGod_STOICH_1
🔍 Identificatori esterniMolGod_EXTID_1
11 su 16 sistemi ID69%
DatabaseIdentificatoreAzioni
CAS Registry Number7704-34-9Apri →
PubChem CID5362487Apri →
InChIKeyNINIDFKCEFEMDL-UHFFFAOYSA-NApri →
InChIInChI=1S/S
SMILES[S]
EC Number231-722-6Apri →
KEGG CompoundC00087Apri →
ChemSpider4515054Apri →
MeSH UID (NLM)D013455Apri →
NSC Number (NCI)403664Apri →
WikiData QIDQ682Apri →

Fonti: PubChem (NIH), Wikidata SPARQL, KEGG, ChEMBL (EBI), CompTox CTX (EPA).

⚛ Visualizzazione dell'atomo — Zolfo MolGod_ATOMVIZ_1
S
Zolfo
Sulfur
Z = 16 | non metallo
Massa atomica
32.06 u
T. fusione
115.21 °C
T. ebollizione
444.6 °C
Densità
2.067 g/cm³
Elettronegatività
2.58
Gruppo / Periodo
16 / 3
16 protons
16 neutronów
K: 2e⁻ L: 8e⁻ M: 6e⁻
[Ne] 3s² 3p⁴
📡 Spettroscopia — CAS 7704-34-9MolGod_SPECHUB_MAIN
📊 Banche dati di spettri spettroscopici — dati inline 8 sources MolGod_SPECDB_2

Gli spettri vengono recuperati su richiesta da 9 fonti. Ogni spettro viene salvato nel nostro database — l'apertura successiva = zero richieste all'API esterna. Scarica JCAMP-DX / CSV / PNG per ogni spettro senza dover cercare.

IR IR (Infrared) — NIST WebBook
Public domain (US Federal)
▶ Clicca per caricare lo spettro
🔗 Source
— points
📚 NIST Chemistry WebBook, SRD 69
MS (NIST) Mass Spectrum (EI) — NIST WebBook
Public domain (US Federal)
▶ Clicca per caricare lo spettro
🔗 Source
— points
📚 NIST Standard Reference Database 1A
UV-Vis UV/Visible Absorption — NIST WebBook
Public domain (US Federal)
▶ Clicca per caricare lo spettro
🔗 Source
— points
📚 NIST Chemistry WebBook, SRD 69
MS (MoNA) MoNA — MassBank of North America
CC-BY 4.0
▶ Clicca per caricare lo spettro
🔗 Source
— points
📚 MassBank of North America (UC Davis) DOI: 10.1002/jms.1777
IR/NMR/MS (SDBS) SDBS — Spectral Database for Organic Compounds (Japan AIST)
Free for non-commercial

Fonte di riferimento — nessuna API pubblica. Apri nella banca dati esterna:

🔗 IR/NMR/MS (SDBS) →
📚 SDBSWeb: https://sdbs.db.aist.go.jp (AIST, Japan)
JP Monograph Japanese Pharmacopoeia — Monographs
Reference only

Fonte di riferimento — nessuna API pubblica. Apri nella banca dati esterna:

🔗 JP Monograph →
📚 Japanese Pharmacopoeia 18th Edition (2021)
WHO INN WHO — International Nonproprietary Names
WHO Model Lists (free)

Fonte di riferimento — nessuna API pubblica. Apri nella banca dati esterna:

🔗 WHO INN →
📚 WHO INN Programme
DOAJ DOAJ — Directory of Open Access Journals
OA journal index (mixed)

Fonte di riferimento — nessuna API pubblica. Apri nella banca dati esterna:

🔗 DOAJ →
📚 DOAJ — doaj.org

Dati recuperati tramite MolGod_Spectra_Remote_Fetcher (parser JCAMP-DX) e salvati nella tabella wp_molgod_spectra_cache. Zero download duplicati, zero richieste a NIST alle aperture successive. Licenze rispettate (viene pubblicato solo il deep-link + la nostra visualizzazione).

🔬 Spettri interattivi (live — NIST / MoNA / NMRShiftDB / SDBS) (2)

Dati recuperati in tempo reale da più fonti (priority-chain). JCAMP-DX / CSV / PNG disponibili per il download sotto ogni spettro.

IR — infrarosso in trasformata di Fourier

Caricamento IR — infrarosso in trasformata di Fourier…

MS — spettrometria di massa (EI 70eV)

Caricamento MS — spettrometria di massa (EI 70eV)…

📐 Proprietà fisico-chimiche (database) 4 campi MolGod Score: Nessuna fonte
Proprietà Valore Unità Conditions Source
Punto di ebollizione 445.00 °C 760 mmHg
Solubilità in acqua 0.010 g/L 25°C
Densità (ρ) 2.1000 g/cm³ 20°C
logP (ottanolo/acqua) 0.500 — 25°C
📚 Riferimenti scientifici (Chicago Author-Date) (12 sources)
  1. 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. ↗
  2. National Institute of Standards and Technology. 2024. "NIST Chemistry WebBook, SRD 69." Gaithersburg, MD: NIST. Accessed 2025-01-01. ↗
  3. Yaws, Carl L. 2014. The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals. 2nd ed. Oxford: Gulf Professional Publishing.
  4. PubChem. 2024. "PubChem Compound Database." National Library of Medicine, National Institutes of Health. Accessed 2025-01-01. ↗
  5. Marrero, J., and R. Gani. 2001. "Group-Contribution Based Estimation of Pure Component Properties." Fluid Phase Equilibria 183–184: 183–208. ↗
  6. Joback, K. G., and R. C. Reid. 1987. "Estimation of Pure-Component Properties from Group-Contributions." Chemical Engineering Communications 57 (1–6): 233–243. ↗
  7. Sangster, J. 1997. Octanol-Water Partition Coefficients: Fundamentals and Physical Chemistry. Chichester: Wiley. ISBN 978-0-471-97397-3.
  8. 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. ↗
  9. 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.
  10. Constantinou, Leonidas, and Rafiqul Gani. 1994. "New Group Contribution Method for Estimating Properties of Pure Compounds." AIChE Journal 40 (10): 1697–1710. ↗
  11. 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. ↗
🔄 Convertitore di unità di concentrazione LIVE MolGod_UNITCONV_1

Inserisci la concentrazione Sulfur in qualsiasi unità — il resto verrà calcolato automaticamente.

MW: 32.07 g/mol · IUPAC Gold Book ↗

⚗️ Formule di conversione + citazioni (per formula)
ConversionFormulaAccuratezzaSource
% (w/v) ↔ molarityc (mol/L) = (% × 10) / MW±0.5% rel. when density ≈ 1.0 g/mLIUPAC (2019)
millimolar ↔ molarc (mol/L) = mM × 10⁻³ExactCohen 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)
molarity (mol/L)c = n/V = (m/MW)/V±0.1% (depends on MW precision)IUPAC (2019)
parts per million (mg/L) ↔ molarityc (mol/L) = ppm / (1000 × MW); equivalently ppm = mg/L for dilute aqueous±1% (density-independent for dilute solutions)IUPAC (2019)
mg/mL ↔ molarityc (mol/L) = (mg/mL × 1000) / MW / 1000 = mg/mL / MW × 1±0.2%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 ↔ molarityc (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 ↔ molarityc (mol/L) = mmol/L × 10⁻³ExactCohen 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 ↔ KelvinT(K) = t(°C) + 273.15±0.01 K (ITS-90 scale)BIPM (Bureau International des Poids et Mesures) (2019)
Celsius ↔ FahrenheitT(°F) = T(°C) × 9/5 + 32±0.1 °FThompson A, Taylor BN (2008)
density-corrected % ↔ molarityc (mol/L) = (%w/w × ρ × 10) / MW, ρ in g/mL±0.1% when ρ known to 3 decimalsCohen 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)
📚 Bibliografia (8 fonti autorevoli)
  1. 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
  2. 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
  3. BIPM (Bureau International des Poids et Mesures) (2019). The International System of Units (SI), 9th edition. BIPM · ↗
    → International SI definitions (incl. redefined kilogram 2019)
  4. ISO/IEC (2022). Quantities and units — Part 1: General. International Organization for Standardization — ISO 80000-1:2022 · ↗
    → General rules for physical quantities and units
  5. 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
  6. 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)
  7. IUPAC (2019). Compendium of Chemical Terminology — the IUPAC Gold Book (online). IUPAC · DOI: 10.1351/goldbook
    → Definitions of mass fraction, molality, normality, ppm, activity
  8. 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
🧪 Procedura guidata di preparazione della soluzione WIZARD MolGod_PREP_1
① Seleziona la concentrazione
② Volume finale
③ Solvente

Calcoli secondo: IUPAC Gold Book ↗, Merck ↗

Compatibilità con i solventiMolGod_SOLV_1

Stima basata sulla solubilità in acqua e sul logP. Dati indicativi — non sostituiscono studi sperimentali.

SolventeCompatibilitàNoteRiferimenti
Water~ ModeratalogP moderato
EtOH+ BuonaEtOH — solvente polare universale
Acetone+ BuonaAcetone — buono per composti mediamente polari
DCM+ BuonaDCM — buono per composti apolari
DMSO+ BuonaDMSO — potente solvente aprotico
THF+ BuonaTHF — ampio intervallo di solubilità
Hexane- ScarsaScarsa solubilità in esano
CHCl3+ BuonaCHCl3 — buono per composti mediamente polari e apolari

Fonti dei dati per logP/solubilità: logP: 0.50

📚 Riferimenti scientifici per i solventi (Chicago Author-Date) — fare clic per espandere

Ogni solvente dispone di 5 fonti scientifiche indipendenti (NIST/CRC/IARC/Hansen/Reichardt/Smallwood/GESTIS). Citazioni complete di seguito.

Water · NIST CAS lookup ↗
  1. Rumble, John R., ed. 2023. CRC Handbook of Chemistry and Physics. 104th ed. Boca Raton, FL: CRC Press. [link ↗]
  2. 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 ↗]
  3. 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 ↗]
  4. 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 ↗]
  5. IFA. n.d. "Water." GESTIS Substance Database. Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung. Accessed April 25, 2026. [link ↗]
EtOH · NIST CAS lookup ↗
  1. Rumble, John R., ed. 2023. CRC Handbook of Chemistry and Physics. 104th ed. Boca Raton, FL: CRC Press. [link ↗]
  2. 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 ↗]
  3. 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 ↗]
  4. Smallwood, Ian M. 1996. Handbook of Organic Solvent Properties. London: Arnold. https://doi.org/10.1016/B978-0-340-64578-9.X5000-9. [link ↗]
  5. IFA. n.d. "Ethanol." GESTIS Substance Database. Accessed April 25, 2026. [link ↗]
Acetone · NIST CAS lookup ↗
  1. 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 ↗]
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. [link ↗]
  3. Rumble, John R., ed. 2023. CRC Handbook of Chemistry and Physics. 104th ed. Boca Raton, FL: CRC Press. [link ↗]
  4. Smallwood, Ian M. 1996. Handbook of Organic Solvent Properties. London: Arnold. [link ↗]
  5. IFA. n.d. "Acetone." GESTIS Substance Database. Accessed April 25, 2026. [link ↗]
DCM · NIST CAS lookup ↗
  1. National Institute of Standards and Technology. n.d. "Methane, dichloro- (CAS 75-09-2)." NIST Chemistry WebBook, SRD 69. Accessed April 25, 2026. [link ↗]
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. [link ↗]
  3. International Agency for Research on Cancer. 1999. "Dichloromethane." IARC Monographs on the Evaluation of Carcinogenic Risks to Humans 71: 251–315. [link ↗]
  4. Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Weinheim: Wiley-VCH. [link ↗]
  5. IFA. n.d. "Dichloromethane." GESTIS Substance Database. Accessed April 25, 2026. [link ↗]
DMSO · NIST CAS lookup ↗
  1. Wypych, George. 2019. Handbook of Solvents. Volume 1: Properties. 3rd ed. Toronto: ChemTec Publishing. https://doi.org/10.1016/C2018-0-02235-3. [link ↗]
  2. Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Weinheim: Wiley-VCH. [link ↗]
  3. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. [link ↗]
  4. National Institute of Standards and Technology. n.d. "Methane, sulfinylbis- (CAS 67-68-5)." NIST Chemistry WebBook. Accessed April 25, 2026. [link ↗]
  5. IFA. n.d. "Dimethyl sulfoxide." GESTIS Substance Database. Accessed April 25, 2026. [link ↗]
THF · NIST CAS lookup ↗
  1. 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 ↗]
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. [link ↗]
  3. National Institute of Standards and Technology. n.d. "Furan, tetrahydro- (CAS 109-99-9)." NIST Chemistry WebBook. Accessed April 25, 2026. [link ↗]
  4. Smallwood, Ian M. 1996. Handbook of Organic Solvent Properties. London: Arnold. [link ↗]
  5. IFA. n.d. "Tetrahydrofuran." GESTIS Substance Database. Accessed April 25, 2026. [link ↗]
Hexane · NIST CAS lookup ↗
  1. National Institute of Standards and Technology. n.d. "Hexane (CAS 110-54-3)." NIST Chemistry WebBook. Accessed April 25, 2026. [link ↗]
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. [link ↗]
  3. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. Hoboken, NJ: Wiley. [link ↗]
  4. Agency for Toxic Substances and Disease Registry. 1999. Toxicological Profile for n-Hexane. Atlanta, GA: U.S. Department of Health and Human Services. [link ↗]
  5. IFA. n.d. "n-Hexane." GESTIS Substance Database. Accessed April 25, 2026. [link ↗]
CHCl3 · NIST CAS lookup ↗
  1. International Agency for Research on Cancer. 1999. "Chloroform." IARC Monographs on the Evaluation of Carcinogenic Risks to Humans 73: 131–182. [link ↗]
  2. National Institute of Standards and Technology. n.d. "Methane, trichloro- (CAS 67-66-3)." NIST Chemistry WebBook. Accessed April 25, 2026. [link ↗]
  3. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. [link ↗]
  4. Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Weinheim: Wiley-VCH. [link ↗]
  5. IFA. n.d. "Chloroform." GESTIS Substance Database. Accessed April 25, 2026. [link ↗]
Teoria della solubilità (applicata nella previsione della compatibilità):
  1. 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).
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. Boca Raton, FL: CRC Press. https://doi.org/10.1201/9781420006834 — Tripletta HSP (dD, dP, dH) + formula Ra.
  3. 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.
  4. 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.
  5. PubChem Compound Database — CAS 7704-34-9 lookup ↗ — logP (XLogP3), water solubility experimental + predicted.

Bibliografia completa nell'accordion RIFERIMENTI (in fondo alla pagina) — Chicago Manual of Style 17th ed., Author-Date.

🛡️ Sicurezza — CAS 7704-34-9MolGod_SAFEHUB_MAIN
Avviso sulle limitazioni dei dati. Le informazioni sulla sicurezza contenute in questa pagina hanno carattere informativo e non sostituiscono la scheda di dati di sicurezza (SDS) completa. Prima di utilizzare il prodotto, consultare la scheda di dati di sicurezza aggiornata del produttore e le linee guida GHS/CLP. La classificazione CLP riguarda la sostanza pura bulk, non i preparati commerciali.

Classificazione GHS/CLP — Regolamento (CE) n. 1272/2008 + UN GHS Rev. 9 (2021).

⚠ Attenzione (Warning)
GHS07 — Irritante / nocivo
GHS07 Irritante / nocivo

🚨 Indicazioni di pericolo (H)

  • H315 — Provoca irritazione cutanea.

🛡 Consigli di prudenza (P)

  • P264 — Lavare accuratamente … dopo l’uso.
  • P210 — Tenere lontano da fonti di calore, superfici calde, scintille, fiamme libere o altre fonti di accensione. Non fumare.

✓ Classificazione armonizzata ai sensi dell'allegato VI del regolamento CLP (CE) 1272/2008 (classificazione ufficiale, vincolante). Numero indice: 016-094-00-1.

Riferimento (Chicago): European Chemicals Agency. "sulfur, Index No. 016-094-00-1." In Table 3 of Annex VI to Regulation (EC) No 1272/2008 (CLP Regulation), 23rd Adaptation to Technical Progress. Helsinki: European Chemicals Agency, 2026. https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.

Traduzioni: Regolamento CLP (CE) 1272/2008, Allegato III e IV. Dati: PubChem/NLM.

📚 Riferimenti scientifici consolidati — Chicago Author-Date 10 sources

Riferimenti raccolti da tutte le schede del Safety Hub. CAS: 7704-34-9 · PubChem ↗

  1. 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, Normative
  2. 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
  3. 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
  4. 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
  5. European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms." CEN, Brussels. [↗] PPE
  6. UNECE. 2023. "European Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR 2025)." United Nations, Geneva. [↗] Utylizacja, Regulacje
  7. National Fire Protection Association (NFPA). 2022. "NFPA 400 — Hazardous Materials Code." NFPA, Quincy, MA. [↗] Magazynowanie
  8. Urben, P.G. (ed.). 2017. "Bretherick's Handbook of Reactive Chemical Hazards, 8th ed.." Butterworth-Heinemann / Elsevier, Oxford. [↗] Magazynowanie
  9. Ministerstwo Klimatu i Środowiska RP. 2023. "Baza danych o produktach i opakowaniach oraz o gospodarce odpadami (BDO)." Ministerstwo Klimatu i Środowiska, Warszawa. [↗] Utylizacja
  10. 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

Le schede con riferimenti propri (Emergency, PPE, Storage, Waste) contengono ulteriori voci bibliografiche all'interno delle rispettive sezioni.

📈 Statistica analitica (t-test · RSD · Grubbs · Q-Dixon) ICH Q2

Incolla una serie di misure replicate (CSV oppure un numero per riga). Il calcolatore calcolerà la media, la deviazione standard e il 95% CI, e rileverà gli outlier (Grubbs + Dixon Q).

Separatore: virgola, spazio, tab, nuova riga. Min 3 misurazioni.
📐 Formule statistiche
  • x̄ = Σxᵢ / n — media aritmetica
  • s² = Σ(xᵢ - x̄)² / (n-1) — varianza campionaria
  • s = √s² — deviazione standard
  • RSD% = (s / x̄) × 100% — deviazione standard relativa
  • CI₉₅ = x̄ ± t(0.05, n-1) × s / √n — Student's t
  • G = |xᵢ - x̄| / s — test di Grubbs
  • Q = |xsuspect - xnearest| / |xmax - xmin| — Dixon Q-test

Fonte: ICH Q2(R2) Validation of Analytical Procedures · ICH PDF ↗

🧪 Calcolatore di ricette per tamponi UNIQUE
Bibliografia: Valori di pKa da Goldberg NIST 81 · CRC Handbook 100th ed. · Stoll & Blanchard 1990 (DOI)

Scegli un tampone dall'elenco di 20 sistemi popolari → inserisci il pH target → otterrai una ricetta esatta con le masse da pesare.

Passo 1: Scegli un sistema tampone

📜 Cronologia delle ricette (ultime 10)
🧪 Solubilità e compatibilità con i solventi MolGod_SOLUB_1
Molecola
Sulfur
Formula
S
logP
0.50
Massa (g/mol)
32.07
Polarità
Moderata

⚠️ Stima GC (Hoftyzer-Van Krevelen). Nessun dato HSP di letteratura per questo CAS — precisione ±2 MPa½. Verificare sperimentalmente.

Solvente Compat. Ra Visuale GC-MS HPLC Applications Riferimenti
Water (H₂O)− Scarsa45.8
✗ NieA (aqueous) (RP)
tamponecoltura cellulareanaliticoestrazione (idrofila)
Ethanol (EtOH)− Scarsa22.6
✗ NieA/B modifier (RP/NP)
extractionspettroscopia (UV-Vis)sintesimodificatore HPLC
Methanol (MeOH)− Scarsa26.2
✗ NieA/B (RP) (RP)
HPLC (eluent)LC-MSKarl FischerUV-transparent do 205 nm
Acetone− Scarsa14.4
✗ NieB modifier (NP)
GC headspacecristallizzazionesgrassaggiosintesi
Acetonitrile (ACN)− Scarsa20.1
✗ NieB (RP) (RP)
eluente HPLC (gold standard)LC-MS (wolny cut-off UV 190 nm)analisi dei peptidi
DMSO− Scarsa23.2
✗ NieN/A (N/A)
NMR (d6-DMSO)biologia cellulare (crioconservazione)somministrazione di farmacisintesi
THF− Scarsa13.7
✗ NieB (NP) (NP)
GPC/SEC (analisi dei polimeri)sintesi di Grignardorganometallici
DCM (CH₂Cl₂)− Scarsa15.2
✓ TakB (NP) (NP)
extractionNP-HPLCGC-MScristallizzazione (anti-solvente)
Chloroform (CHCl₃)− Scarsa13.3
✓ TakN/A (toxic) (N/A)
NMR (CDCl3)estrazione dei lipidi (metodo Folch)NP-TLC
Hexane+ Buona5.8
✓ TakA (NP) (NP)
NP-HPLCestrazione di oli (lipidi)GC-MSTLC (NP)
Toluene− Scarsa12.2
✓ TakB (NP) (NP)
NMR (d8-toluene)sintesiessiccazione azeotropica Dean-Stark
📚 Riferimenti scientifici per i solventi (Chicago Author-Date) — clicca per espandere

11 solventi × 5 fonti scientifiche indipendenti (NIST/CRC/IARC/Hansen/Reichardt/Smallwood/Wypych/Armarego/Snyder/GESTIS). 55+ citazioni complete di seguito.

Water (H₂O)
  1. NIST — NIST Chemistry WebBook — Water (CAS 7732-18-5)
  2. CRC — CRC Handbook of Chemistry and Physics, 104th ed., Sec. 8 (Properties of Water)
  3. IAPWS — IAPWS Release on Static Dielectric Constant of Water
  4. Reichardt 2011 — Solvents and Solvent Effects in Organic Chemistry
  5. GESTIS — GESTIS Substance Database — Water
Ethanol (EtOH)
  1. NIST — NIST Chemistry WebBook — Ethanol (CAS 64-17-5)
  2. CRC — CRC Handbook — Ethanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — Ethanol eluotropic
  4. Smallwood — Handbook of Organic Solvent Properties — Ethanol
  5. GESTIS — GESTIS Substance Database — Ethanol
Methanol (MeOH)
  1. NIST — NIST Chemistry WebBook — Methanol (CAS 67-56-1)
  2. CRC — CRC Handbook — Methanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — MeOH eluotropic, eo=0.95
  4. GESTIS — GESTIS Substance Database — Methanol
Acetone
  1. NIST — NIST Chemistry WebBook — Acetone (CAS 67-64-1)
  2. CRC — CRC Handbook — Acetone physical & thermodynamic constants
  3. Hansen 2007 — Hansen Solubility Parameters — Acetone (dD=15.5, dP=10.4, dH=7.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Acetone
  5. GESTIS — GESTIS Substance Database — Acetone
Acetonitrile (ACN)
  1. NIST — NIST Chemistry WebBook — Acetonitrile (CAS 75-05-8)
  2. CRC — CRC Handbook — Acetonitrile constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — ACN gold-standard HPLC eluent
  4. Reichardt 2011 — Solvents and Solvent Effects — ACN dipolar aprotic
  5. GESTIS — GESTIS Substance Database — Acetonitrile
DMSO
  1. NIST — NIST Chemistry WebBook — DMSO (CAS 67-68-5)
  2. Wypych 2019 — Handbook of Solvents Vol. 1 — DMSO comprehensive properties
  3. Hansen 2007 — HSP — DMSO (dD=18.4, dP=16.4, dH=10.2)
  4. Reichardt 2011 — Solvents and Solvent Effects — DMSO E_T(30)=45.1, dipolar aprotic
  5. GESTIS — GESTIS Substance Database — DMSO
THF
  1. NIST — NIST Chemistry WebBook — THF (CAS 109-99-9)
  2. Armarego 2009 — Purification of Laboratory Chemicals — THF drying & peroxide test
  3. Hansen 2007 — Hansen Solubility Parameters — THF (dD=16.8, dP=5.7, dH=8.0)
  4. Smallwood — Handbook of Organic Solvent Properties — THF
  5. GESTIS — GESTIS Substance Database — Tetrahydrofuran
DCM (CH₂Cl₂)
  1. NIST — NIST Chemistry WebBook — Dichloromethane (CAS 75-09-2)
  2. IARC 71 — IARC Monograph 71 — DCM (Group 2A carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — DCM (dD=18.2, dP=6.3, dH=6.1)
  4. Reichardt 2011 — Solvents and Solvent Effects — DCM polarity index
  5. GESTIS — GESTIS Substance Database — Dichloromethane
Chloroform (CHCl₃)
  1. NIST — NIST Chemistry WebBook — Chloroform (CAS 67-66-3)
  2. IARC 73 — IARC Monograph 73 — Chloroform (Group 2B carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — CHCl3 (dD=17.8, dP=3.1, dH=5.7)
  4. Reichardt 2011 — Solvents and Solvent Effects — CHCl3 H-bond donor strength
  5. GESTIS — GESTIS Substance Database — Chloroform
n-Hexane
  1. NIST — NIST Chemistry WebBook — n-Hexane (CAS 110-54-3)
  2. ATSDR n-Hexane — ATSDR Toxicological Profile for n-Hexane — neuropatia obwodowa (n-Heksan NIE jest kancerogenem IARC)
  3. Hansen 2007 — Hansen Solubility Parameters — n-Hexane (dD=14.9, dP=0, dH=0)
  4. Snyder & Kirkland — Modern Liquid Chromatography — n-Hexane NP standard, eo=0.00
  5. GESTIS — GESTIS Substance Database — n-Hexane
Toluene
  1. NIST — NIST Chemistry WebBook — Toluene (CAS 108-88-3)
  2. IARC 71 — IARC Monograph 71 — Toluene
  3. Hansen 2007 — Hansen Solubility Parameters — Toluene (dD=18.0, dP=1.4, dH=2.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Toluene
  5. GESTIS — GESTIS Substance Database — Toluene
Teoria della solubilità (applicata nella previsione della compatibilità):
  1. 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).
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. CRC Press. https://doi.org/10.1201/9781420006834 — Tripletta HSP (dD, dP, dH) + formula Ra.
  3. 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
  4. 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.
  5. 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.
  6. 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.
  7. Marcus, Yizhak. 1998. The Properties of Solvents. Wiley Series in Solution Chemistry, Vol. 4. ISBN 9780471983699 — Set tabulare completo di 250+ solventi (ε, μ, donicità, numeri di accettore).
  8. PubChem Compound Database — CAS 7704-34-9 lookup ↗ — logP (XLogP3), water solubility experimental + predicted.

Bibliografia completa nell'accordion RIFERIMENTI (in fondo alla pagina) — Chicago Manual of Style 17th ed., Author-Date.

📚 FAQ tecniche — Sulfur (5) MolGod_TECHFAQ_1
❓ Jak przygotować roztwór standardowy siarki o stężeniu 0.1 mol/L?
Aby przygotować roztwór standardowy siarki (S) o stężeniu 0.1 mol/L, należy obliczyć masę potrzebnej substancji. Masa molowa siarki wynosi 32.07 g/mol. Dla 0.1 mol/L w 1 litrze roztworu potrzeba: 0.1 mol * 32.07 g/mol = 3.207 g siarki. Następnie rozpuścić 3.207 g siarki w odpowiednim rozpuszczalniku (np. disiarczku węgla, CS₂) i uzupełnić do objętości 1 litra.
Utile?
❓ Jak przechowywać siarkę, aby zachować jej stabilność?
Siarkę należy przechowywać w temperaturze pokojowej (15-25°C), z dala od światła słonecznego i źródeł ciepła. Wilgotność powietrza nie powinna przekraczać 60%. Siarka jest higroskopijna, więc należy przechowywać ją w szczelnie zamkniętych pojemnikach z materiałów odpornych na korozję (np. szkło lub tworzywa sztuczne).
Utile?
❓ Jaka metoda analityczna jest najlepsza do oznaczania siarki w próbkach organicznych?
Dla próbek organicznych, gdzie logP siarki (około 0.5) i masa molowa (32.07 g/mol) są odpowiednie, zaleca się chromatografię gazową (GC) z detektorem płomieniowo-jonizacyjnym (FID). Alternatywnie, można użyć wysokosprawnej chromatografii cieczowej (HPLC) z odpowiednim detektorem (np. UV lub spektrometrią mas) dla próbek o wyższej polarności.
Utile?
❓ Jakie są główne reakcje chemiczne siarki i potencjalne niezgodności?
Siarka reaguje z metalami (np. tworząc siarczki), kwasami (tworząc kwasy siarkowe) i utleniaczami (tworząc tlenki siarki). Niezgodności chemiczne obejmują reakcje z mocnymi zasadami (np. NaOH), które mogą prowadzić do wydzielania toksycznych gazów (np. H₂S). Siarka jest również niekompatybilna z silnymi utleniaczami, takimi jak nadtlenki, które mogą wywołać gwałtowne reakcje egzotermiczne.
Utile?
❓ W jakich praktycznych zastosowaniach laboratoryjnych wykorzystuje się siarkę?
Siarka jest używana w laboratoriach do syntezy organicznej (np. jako środek sulfonujący), w analizie elementarnej (oznaczanie zawartości siarki w związkach organicznych) oraz jako odczynnik w reakcjach chemicznych, takich jak redukcja jonów srebra(I) do metalicznego srebra. Jest również stosowana w produkcji kwasu siarkowego i innych związków siarki.
Utile?
🧮 Calcolatori da laboratorio (8) MolGod_LABCALC_1
Dilution (C₁V₁=C₂V₂)
Molarità (M=n/V)
Tampone pH (Henderson-Hasselbalch)
Beer-Lambert (A=εcl)
Massa → Moli
Concentration % → M
ppm → mg/L
Temperature C↔F↔K

Formule verificate: IUPAC Gold Book ↗, DOI ↗

📊 Database di spettri spettroscopici MolGod_SPECDB_3
📋 Generatore di protocolli di laboratorio MolGod_PROTOCOL_1

Protocollo generato sulla base di: GHS SDS, Aldrich Lab Guide ↗

🏷️ Generatore di etichette (QR) MolGod_LABEL_1
Zolfo• alpha-Sulfur / Spot Correction• CAS: 7704-34-9• Formula: S• Massa: 32.07 g/molATTENZIONEINDICAZIONI DI PERICOLO GHS:H315: Provoca irritazione cutanea.P264: Lavare accuratamente … dopo l’uso.P210: Tenere lontano da fonti di calore, superfici calde, scintille, fiamme libere o altrefonti di accensione. Non fumare.DH ScientificScience first. Commerce as consequence.N. lotto: Massa netta: Prod.:
ADMET — profilo farmacologico
Caricamento delle predizioni ADMET…
🧪 Assistente di preparazione della soluzione (Smart Prep) MolGod_PREP_2

Inserisci cosa vuoi preparare — genererò una SOP

Esempi qui sotto — clicca per inserire:
Ricette predefinite:
📚 Panoramica della letteratura scientifica — CAS 7704-34-9MolGod_LITHUB_MAIN
⭐ Risultati principali (letteratura scientifica) 20 publications
🏆 CAS 7704-34-9 — multi-criteria ranking (W12): 30% citazioni · 20% recency · 20% topic · 15% historical · 15% open access.
  1. #1
    et al. (2026) · Journal of Biochemical and Molecular Toxicology
    Perché è importante: Recente (2026) · open access
    SCORE 10.35 Meccanismo Citazioni: 1 Open Access DOI ↗ PubMed ↗
  2. #2
    Claire, Mark, Meadows, Victoria, Stueken, Eva et al. (2014) · Elsevier BV
    Perché è importante: Open access
    SCORE 10.18 Meccanismo Citazioni: 94 Open Access DOI ↗
  3. #3
    et al. (2026) · Journal of Experimental Botany
    Perché è importante: Recente (2026) · open access
    SCORE 9.15 Farmacologia Citazioni: 4 Open Access DOI ↗ PubMed ↗
  4. #4
    Guan, Yunbin, Woodward W. Fischer, Fike, David A et al. (2014) · Proceedings of the National Academy of Sciences
    Perché è importante: Open access
    SCORE 9.04 Meccanismo Citazioni: 72 Open Access DOI ↗
  5. #5
    et al. (2026) · Small Methods
    Perché è importante: Recente (2026) · open access
    SCORE 8.65 Meccanismo Open Access DOI ↗ PubMed ↗
  6. #6
    et al. (2026) · International Journal of Molecular Sciences
    Perché è importante: Recente (2026) · open access
    SCORE 7.85 Analitica Open Access DOI ↗ PubMed ↗
  7. #7
    et al. (2026) · Antioxidants
    Perché è importante: Recente (2026) · open access
    SCORE 7.85 Meccanismo Open Access DOI ↗ PubMed ↗
  8. #8
    et al. (2026) · Toxics
    Perché è importante: Recente (2026) · open access
    SCORE 7.85 Analitica Open Access DOI ↗ PubMed ↗
  9. #9
    et al. (2026) · RSC Advances
    Perché è importante: Recente (2026) · open access
    SCORE 7.05 Analitica Open Access DOI ↗ PubMed ↗
  10. #10
    et al. (2026) · RSC Advances
    Perché è importante: Recente (2026) · open access
    SCORE 7.05 Meccanismo Open Access DOI ↗ PubMed ↗
  11. #11
    et al. (2026) · Metabolites
    Perché è importante: Recente (2026) · open access
    SCORE 7.05 Farmacologia Open Access DOI ↗ PubMed ↗
  12. #12
    Angelina Jocic, Tom Wickenhäuser, Sebastian Lindenthal et al. (2026) · arXiv (2608.21037v1)
    Perché è importante: Recente (2026) · open access
    SCORE 7.05 Meccanismo Open Access DOI ↗
  13. #13
    et al. (2026) · Water Environment Research
    Perché è importante: Recente (2026) · open access
    SCORE 6.25 Meccanismo Open Access DOI ↗ PubMed ↗
  14. #14
    et al. (2026) · Small
    Perché è importante: Recente (2026) · open access
    SCORE 6.25 Meccanismo Open Access DOI ↗ PubMed ↗
  15. #15
    et al. (2026) · Chemistry – An Asian Journal
    Perché è importante: Recente (2026) · open access
    SCORE 6.25 Meccanismo Open Access DOI ↗ PubMed ↗
  16. #16
    et al. (2026) · RSC Advances
    Perché è importante: Recente (2026) · open access
    SCORE 6.25 Meccanismo Open Access DOI ↗ PubMed ↗
  17. #17
    Anjana A.; Manu U. M. Patel (2026) · RSC Advances
    Perché è importante: Recente (2026) · open access
    SCORE 6.25 Meccanismo Open Access DOI ↗ PubMed ↗
  18. #18
    Thu Trang Nguyen, Huong-Giang Thi Hoang, Ngoc Kien Bui et al. (2026) · Frontiers in Built Environment
    Perché è importante: Recente (2026) · open access
    SCORE 6.25 Meccanismo Open Access DOI ↗
  19. #19
    et al. (2026) · Organic Letters
    Perché è importante: Recente (2026)
    SCORE 5.6 Meccanismo DOI ↗ PubMed ↗
  20. #20
    Ding H (2025) · Metallomics : integrated biometal science
    Perché è importante: Must-cite (canone) · recente (2025) · rassegna
    SCORE 4 Rassegna MUST-CITE DOI ↗
📈 Gradiente HPLC — ottimizzatore (LSS) MODELLO

Gradiente basato su PubChem XLogP3 + LSS (Snyder et al. 2010, cap. 9).

  • Colonna: C18
  • Tampone: phosphate
  • Flusso: 1 mL/min
  • logP: 0.5 (PubChem XLogP3)
  • Ramp: 9% → 95% B, 10 min
  • Tempo totale di analisi: 23 min
t (min) %A %B flow (mL/min) Commento
0 91 9 1 avvio (equilibrio)
2 91 9 1 fine mantenimento iniziale
12 5 95 1 fine rampa LSS
17 5 95 1 lavaggio della colonna
18 91 9 1 ritorno a init
23 91 9 1 riequilibrazione
📚 Riferimenti scientifici (Chicago Author-Date)
  1. 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).
  2. Schoenmakers, Peter J. 1986. Optimization of Chromatographic Selectivity: A Guide to Method Development. Elsevier. — Numerical optimization of gradient programs.
  3. 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.
  4. 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.
  5. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. [DOI ↗]
  6. 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.
  7. 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 ↗]
  8. 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).
  9. Dolan, John W.. 2013. "When to Modify Method Conditions." LCGC North America 31: 192-199.
  10. Meyer, Veronika R. 2010. Practical High-Performance Liquid Chromatography. Wiley. — Chapter 7 — practical gradient design with isokratyczny scouting.
  11. Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531. [DOI ↗]
  12. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. [DOI ↗]
  13. 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 ↗]
  14. Engelhardt, Heinz. 2014. 100 Years of Chromatography. Wiley-VCH.
  15. 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/7704-34-9

📐 Calcolatore della simmetria del picco HPLC (USP Tf / As)

Calcola il fattore di tailing USP (T) e l'asimmetria (As) dalle semilarghezze del picco. Inserisci a (semilarghezza sinistra) e b (semilarghezza destra) misurate al 5% o 10% dell'altezza del picco.

📚 Riferimenti (Chicago Author-Date)
  1. USP General Chapter <621>. 2024. "Chromatography." United States Pharmacopeial Convention. [link ↗] — Defines USP Tailing Factor T = (a+b)/(2a) measured at 5% peak height.
  2. 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).
  3. 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).
  4. 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.
  5. Dolan, John W.. 2003. "Peak tailing and resolution." LCGC North America 21: 610-614 [link ↗] — How tailing factor degrades effective resolution.
  6. 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.
  7. Kromidas, Stavros. 2017. "HPLC Made to Measure: A Practical Handbook for Optimization." Wiley-VCH. — Practical Tf and As thresholds for routine QC.
  8. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." Wiley. https://doi.org/10.1002/9781119313793 [link ↗]
  9. Meyer, Veronika R.. 2010. "Practical High-Performance Liquid Chromatography." Wiley.
  10. 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 ↗]
  11. 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 ↗]
  12. 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 ↗]
  13. 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 ↗]
  14. Engelhardt, Heinz. 2014. "100 Years of Chromatography." Wiley-VCH.
  15. 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 ↗]
📊 Calcolatore di risoluzione e numero di piatti (Rs, N, H)

Calcola la risoluzione Rs, il numero di piatti teorici N e l'HETP (H) per una coppia di picchi HPLC. Inserisci i tempi di ritenzione, le larghezze dei picchi (al 50% o alla base) e la lunghezza della colonna.

📚 Riferimenti (Chicago Author-Date)
  1. 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).
  2. 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.
  3. 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.
  4. 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.
  5. 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).
  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 ↗] — Skewed-peak corrections to apparent N.
  7. 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 ↗]
  8. 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 ↗]
  9. 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 ↗]
  10. Meyer, Veronika R.. 2010. "Practical High-Performance Liquid Chromatography." 5th ed. Wiley. ISBN 978-0-470-68218-0.
  11. 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 ↗]
  12. 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 ↗]
  13. 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 ↗]
  14. Engelhardt, Heinz. 2014. "100 Years of Chromatography." 2nd ed. Wiley-VCH. ISBN 978-3-527-33473-5.
  15. 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 ↗]

Related products

🧪 System Suitability — calcolatore live (USP <621>)

Inserisci i dati di 5-6 iniezioni (areas, tr, tailing, plates) — il calcolatore calcolerà %RSD, le medie e verificherà la conformità con USP <621>. Puoi incollare un CSV (separato da virgole) o modificare i singoli valori.

📚 Riferimenti (Chicago Author-Date)
  1. 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.
  2. 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.
  3. 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.
  4. 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).
  5. Heyden, Yvan Vander, et al.. 2009. "Robustness of pharmaceutical liquid chromatographic methods." — Robustness vs. system suitability — design-of-experiments framework.
  6. Rozet, Eric, et al.. 2013. "Analysis of recent pharmaceutical regulatory documents on analytical method validation."
  7. European Medicines Agency (EMA). 2011. "Guideline on bioanalytical method validation EMEA/CHMP/EWP/192217/2009." EMA. [link ↗] — EMA companion guideline with bioanalytical SS criteria.
  8. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." 2nd ed. Wiley. — UHPLC-specific suitability adjustments (n=5 vs. n=6).
  9. Kazakevich, Yuri V., and Rosario LoBrutto, eds.. 2007. "HPLC for Pharmaceutical Scientists." Wiley-Interscience.
  10. AOAC International. 2016. "Appendix F: Guidelines for Standard Method Performance Requirements." AOAC INTERNATIONAL. [link ↗] — Alternative SS thresholds for food/dietary samples.
  11. Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial."
  12. Carr, Peter W.. 2009. "The new physical chemistry of HPLC."
  13. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations."
  14. Engelhardt, Heinz. 2014. "100 Years of Chromatography." 2nd ed. Wiley-VCH.
  15. Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography."

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📚 RIFERIMENTI (Bibliografia complessiva, Chicago Author-Date) 107 elementi

Tutte le fonti scientifiche citate negli accordion sopra per il CAS 7704-34-9.Formato: Chicago Manual of Style 17ª ed., sistema Author-Date.

🗄️ Banche dati scientifiche

  1. NIST. 2026. NIST Chemistry WebBook: CAS 7704-34-9. Gaithersburg, MD: National Institute of Standards and Technology. https://webbook.nist.gov/cgi/cbook.cgi?ID=7704-34-9. (Accessed 2026-11-12.)
  2. AIST. 2026. Spectral Database for Organic Compounds (SDBS): CAS 7704-34-9. Tsukuba, Japan: National Institute of Advanced Industrial Science and Technology. https://sdbs.db.aist.go.jp/. (Accessed 2026-11-12.)
  3. PubChem. 2026. PubChem Compound Summary: CAS 7704-34-9. Bethesda, MD: National Center for Biotechnology Information (NCBI), National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/#query=7704-34-9. (Accessed 2026-11-12.)
  4. ECHA. 2026. C&L Inventory and REACH Registration: CAS 7704-34-9. Helsinki: European Chemicals Agency. https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp. (Accessed 2026-11-12.)

📐 Standard / Linee guida

  1. ICH. 2026. "ICH Harmonised Guideline: CAS 7704-34-9." Geneva: International Council for Harmonisation. https://database.ich.org/sites/default/files/Q1A%28R2%29%20Guideline.pdf. (Accessed 2026-11-12.)
  2. National Fire Protection Association (NFPA). 2024. "NFPA 30: Flammable and Combustible Liquids Code." NFPA, Quincy, MA. https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=30.
  3. Occupational Safety and Health Administration (OSHA). 2023. "29 CFR 1910.106 — Flammable Liquids." U.S. Department of Labor, Federal Register. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.106.
  4. 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. https://echa.europa.eu/regulations/clp/clp-classification.
  5. 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. https://standards.cencenelec.eu/dyn/www/f?p=205:110:::::FSP_PROJECT,FSP_ORG_ID:38536,6080&cs=1B0DAA8B85DF42E4A2C70E5D71F0BFA32.
  6. European Committee for Standardization (CEN). 2001. "EN 166:2001 — Personal eye-protection — Specifications." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:6541&cs=1F1A4E0A78C4DB6A28DBE2E8C29D89DCF.
  7. 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. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:21581&cs=1A04A2D3C7CC58E9E6CB58D55F7EBFB7E.
  8. 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. https://www.cdc.gov/niosh/ncpc/default.html.
  9. Occupational Safety and Health Administration (OSHA). 2011. "Personal Protective Equipment — General requirements." U.S. Department of Labor — 29 CFR 1910.132. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.132.

📖 Libri

  1. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook, 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/Hansen-Solubility-Parameters-A-Users-Handbook/Hansen/p/book/9780849372483.
  2. Barton, Allan F. M. 1991. CRC Handbook of Solubility Parameters and Other Cohesion Parameters: 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/CRC-Handbook-of-Solubility-Parameters-and-Other-Cohesion-Parameters/Barton/p/book/9780849301766.
  3. Connors, Kenneth A., Gordon L. Amidon, and Valentino J. Stella. 1986. Chemical Stability of Pharmaceuticals: A Handbook for Pharmacists, 2nd ed.. New York: Wiley. https://doi.org/10.1002/0471734683.
  4. Rumble, John R., ed. 2019. CRC Handbook of Chemistry and Physics: 100th Edition. Boca Raton, FL: CRC Press. https://hbcp.chemnetbase.com/.
  5. Urben, Peter G. 2017. Bretherick's Handbook of Reactive Chemical Hazards, 8th Edition. Academic Press / Elsevier, Oxford. https://www.sciencedirect.com/book/9780081010594.

📘 Monographs

  1. IARC. 2026. IARC Monographs on the Identification of Carcinogenic Hazards to Humans: CAS 7704-34-9. Lyon, France: International Agency for Research on Cancer, World Health Organization. (Accessed 2026-11-12.)

📄 Articoli scientifici (peer-reviewed)

  1. Stefanis, Emmanuel, and Costas Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." International Journal of Thermophysics 29: 568-585. https://doi.org/10.1007/s10765-008-0415-z.
  2. Stoll, Vincent S., and John S. Blanchard. 1990. "Buffers: Principles and Practice: In Methods in Enzymology, vol. 182." San Diego: Academic Press. https://doi.org/10.1016/0076-6879(90)82008-P.

🌐 Siti web

  1. ECHA. 2023. "Guidance on the Application of the CLP Criteria." European Chemicals Agency. https://echa.europa.eu/guidance-documents/guidance-on-clp.
  2. European Parliament. 2006. "Regulation (EC) No 1907/2006 (REACH)." Official Journal of the European Union L 396: 1–849.
  3. ECHA. 2023. "Candidate List of Substances of Very High Concern for Authorisation." European Chemicals Agency. https://echa.europa.eu/candidate-list-table.
  4. European Parliament. 2008. "Regulation (EC) No 1272/2008 on Classification, Labelling and Packaging of Substances and Mixtures (CLP)." Official Journal of the European Union L 353: 1–1355.
  5. ECHA. 2017. "Guidance on the Compilation of Safety Data Sheets." Version 3.1. European Chemicals Agency. ECHA-17-G-01-EN. https://echa.europa.eu/documents/10162/23047722/sds_en.pdf.
  6. ECHA. 2022. "Restrictions Under REACH — Annex XVII." European Chemicals Agency. https://echa.europa.eu/substances-restricted-under-reach.
  7. United Nations. 2021. Globally Harmonized System of Classification and Labelling of Chemicals (GHS). 9th revised ed. ST/SG/AC.10/30/Rev.9. New York and Geneva: United Nations. https://unece.org/ghs-rev9-2021.
  8. ECHA. 2020. "Understanding REACH." European Chemicals Agency. https://echa.europa.eu/regulations/reach/understanding-reach.
  9. U.S. OSHA. 2026. "Occupational Safety and Health Guidance: CAS 7704-34-9." Washington, DC: U.S. Occupational Safety and Health Administration. https://www.osha.gov/hazwoper. (Accessed 2026-11-12.)
  10. National Fire Protection Association (2018) — NFPA 472: Standard for Competence of Responders to Hazardous Materials/Weapons of Mass Destruction Incidents https://www.nfpa.org/codes-and-standards/nfpa-472.
  11. European Union. 2026. "EUR-Lex Legal Database: CAS 7704-34-9." Luxembourg: Publications Office of the European Union. https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex:32012L0018. (Accessed 2026-11-12.)
  12. U.S. National Institute for Occupational Safety and Health (2024) — NIOSH Pocket Guide to Chemical Hazards https://www.cdc.gov/niosh/npg/.
  13. Snyder, Lloyd R., John W. Dolan, and Joseph J. Kirkland. 2010. Introduction to Modern Liquid Chromatography. Wiley.
  14. Schoenmakers, Peter J.. 1986. Optimization of Chromatographic Selectivity: A Guide to Method Development. Elsevier.
  15. Snyder, L. R., and J. W. Dolan. 2007. High-Performance Gradient Elution: The Practical Application of the Linear-Solvent-Strength Model. Wiley.
  16. 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. https://doi.org/10.1016/j.chroma.2008.10.005.
  17. 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.
  18. Dong, Michael W.. 2019. HPLC and UHPLC for Practicing Scientists. Wiley. https://doi.org/10.1002/9781119313793.
  19. 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.
  20. Dolan, John W.. 2013. "When to Modify Method Conditions." LCGC North America 31: 192-199. https://www.chromatographyonline.com/view/when-modify-method-conditions.
  21. Meyer, Veronika R.. 2010. Practical High-Performance Liquid Chromatography. Wiley.
  22. Engelhardt, Heinz. 2014. 100 Years of Chromatography. Wiley-VCH.
  23. 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.
  24. Van Deemter, J. J., F. J. Zuiderweg, and A. Klinkenberg. 1956. "Longitudinal diffusion and resistance to mass transfer as causes of nonideality in chromatography." https://doi.org/10.1016/0009-2509(56)80003-1.
  25. Giddings, J. Calvin. 1965. "Dynamics of Chromatography, Part I: Principles and Theory." Marcel Dekker.
  26. Poppe, Hans. 1997. "Some reflections on speed and efficiency of modern chromatographic methods." https://doi.org/10.1016/S0021-9673(97)00376-2.
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  29. Knox, John H.. 1977. "Practical aspects of LC theory." https://doi.org/10.1093/chromsci/15.9.352.
  30. Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. "Practical HPLC Method Development." Wiley.
  31. Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography." https://doi.org/10.1021/ac101742z.
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  42. Kromidas, Stavros. 2017. "HPLC Made to Measure: A Practical Handbook for Optimization." Wiley-VCH.
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