Éthanol absolute 99,9 GC_ASSAY_METHOD, SPECTRONORM® Spectroscopy
Marques : VWR ChemicalsTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Danger
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Synonyme(s):
Ethyl alcohol
Certifications: Meets the requirements of "Specific use spectroscopy" according ACS and Reag. Ph.Eur.
Attention: For duty paid orders in the UK please add DP to the product code.
Formule:
C₂H₅OH Poids moléculaire: 46.07 g/mol Point d'ébullition: 78.3 °C (1013 hPa) Point de fusion: –117 °C Densité: 0.7895 g/cm³ (20 °C) Point éclair: 12 (closed cup) Température de stockage: Ambient |
Numéro MDL:
MFCD00003568 Numéro CAS: 64-17-5 EINECS: 200-578-6 UN: 1170 ADR: 3 II REACH: 01-2119457610-43 Indice Merck: 12,03806 |
Résultats des tests de spécification
Assay (GC) | ≥ 99.9 % |
Acidity | ≤ 0.0001 meq/g |
Alkalinity | ≤ 0.0001 meq/g |
Colouration | ≤ 10 APHA |
Evaporation residue | ≤ 2 ppm |
Water | ≤ 0.05 % |
Absorbance (207 nm) | ≤ 0.70 |
Absorbance (220 nm) | ≤ 0.26 |
Absorbance (235 nm) | ≤ 0.10 |
Absorbance (240 nm) | ≤ 0.07 |
Absorbance (245 nm) | ≤ 0.05 |
Absorbance (from 260 nm) | ≤ 0.01 |
Transmittance (207 nm) | ≥ 20 % |
Transmittance (220 nm) | ≥ 55 % |
Transmittance (235 nm) | ≥ 80 % |
Transmittance (240 nm) | ≥ 85 % |
Transmittance (245 nm) | ≥ 90 % |
Transmittance (from 260 nm) | ≥ 98 % |
Fluorescence (as quinine) (254 nm) | ≤ 1.0 ppb |
Fluorescence (as quinine) (365 nm) | ≤ 1.0 ppb |
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