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ASCORBIC ACID CRYSTALLINE POWDER - DFI-806999

Published:05/04/2017

Description

Shelf life36 Months
CharacteristicWhite or almost white crystalline powder or colourless crystals

Specification

Country of originChina
IdentificationIR Complies
IdentificationPositive
Assay99 to 100.5%
Acidity(5% aqueous solution)2.1 to 2.6
Acidity(2% aqueous solution)2.4 to 2.8
ClarityClear
Colour< BY7
Heavy metals Max:10ppm
Copper Max:5ppm
Iron (Fe) Max:2ppm
Lead Max:2ppm
Arsenic Max:3ppm
Mercury Max:1ppm
Specific Rotation+20.5° - +21.5°
Melting pointAbout 190°C
Sulphated ash Max:0.1%
Oxalic Acid Max:0.2%
Impurity C Max:0.15%
Impurity D Max:0.15%
Unspecified Impurity Max:0.1%
Total Impurities Max:0.2%
Methanol Max:0.3%
Particle size(More than 40 mesh) Max:30%
Particle size(Between 40 and 80 mesh) Min:45%
Loss on drying Max:0.4%

Microbiological

Total plate countMax 1000 cfu/g
Total yeasts and mouldsMax 100 cfu/g
Escherichia ColiNot detected
Staphylococcus aureusNot detected
SalmonellaNot detected

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