Acétone ≥99.9%, SPECTRONORM® pour la spectroscopie
Marques : VWR ChemicalsTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Danger
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Synonyme(s):
Diméthyle cétone
Filtré à 0,2 µm. Conditionné sous gaz inerte.
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
Formule:
CH₃COCH₃ Poids moléculaire: 58.08 g/mol Point d'ébullition: 56.2 Point de fusion: –95.4 °C Densité: 0.792 g/cm³ (20 °C) Point éclair: <–20 °C (coupe fermée) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00008765 Numéro CAS: 67-64-1 EINECS: 200-662-2 UN: 1090 ADR: 3 II REACH: 01-2119471330-49 Indice Merck: 13,00067 |
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Résultats des tests de spécification
Assay (GC) | ≥ 99.9 % |
Solubility in water | Passes test ACS |
Substances reducing KMnO₄ (as O) | Passes test ACS |
Acidity | ≤ 0.0002 meq/g |
Alkalinity | ≤ 0.0002 meq/g |
Colouration | ≤ 10 APHA |
Aldehydes (as HCHO) | ≤ 10 ppm |
Evaporation residue | ≤ 5 ppm |
2-Propanol | ≤ 0.05 % |
Methanol | ≤ 0.05 % |
Water | ≤ 0.2 % |
Absorbance (330 nm) | ≤ 0.70 |
Absorbance (335 nm) | ≤ 0.22 |
Absorbance (340 nm) | ≤ 0.07 |
Absorbance (345 nm) | ≤ 0.02 |
Absorbance (from 350 nm) | ≤ 0.004 |
Transmittance (330 nm) | ≥ 20 % |
Transmittance (335 nm) | ≥ 60 % |
Transmittance (340 nm) | ≥ 85 % |
Transmittance (345 nm) | ≥ 95 % |
Transmittance (from 350 nm) | ≥ 99 % |
Fluorescence (as quinine) (365 nm) | ≤ 1.0 ppb |
Meets the requirements of "Specific use spectroscopy" according ACS |
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