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ASCORBIC ACID CRYSTALLINE POWDER - DFI-465353

Published:14/06/2017

Description

AppearanceWhite Crystalline powder

Specification

IdentificationPositive
ColourClear
Assay99 to 100.5%
Loss on drying Max:0.4%
Residue on ignition Max:0.1%
Sulphated ash Max:0.1%
Specific Rotation20.5 to 21.5
pH(With 2% water solution)2.4 to 2.8
pH(With 5% water solution)2.1 to 2.6
Melting RangeAbout 190°C
Heavy metals Max:3ppm
Iron (Fe) Max:2ppm
Copper Max:2ppm
Impurity E Max:0.2%
Arsenic Max:1ppm
Lead Max:2ppm
Cadmium Max:1ppm
Mercury Max:1ppm
Organic Volatile ImpuritiesMeets the requirements
Impurity C Max:0.15%
Impurity D Max:0.15%
Total Impurities Max:0.2%
Country of originChina

Microbiological

Total plate count Max:1000cfu/g

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