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Acide L(+)-ascorbique ≥99%, en poudre, BioChemica®

A1052.1000EA 165 CHF
A1052.1000
Acide L(+)-ascorbique ≥99%, en poudre, BioChemica®
Acide L(+)-ascorbique
Formule: C₆H₈O₆
MW: 176,13 g/mol
Point d'ébullition: 553 °C (1013 hPa)
Melting Pt: 190…192 °C
Densité: 1,694 g/cm³ (20 °C)
MDL Number: MFCD00064328
Numéro CAS: 50-81-7
Merck Index: 13,00837
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Résultats des tests de spécification

Assay (titr.) min. 99 %
α20°C/D; 10 %, H2O +20.5° - +21.5°
pH (5 %; H2O; 20°C) 2.2 - 2.5
Heavy metals (as Pb) max. 0.0005 %
Insoluble matter passes test
Oxalic acid max. 0.2 %
Chloride max. 0.005 %
Sulfate max. 0.002 %

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