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ASCORBIC ACID CRYSTALLINE POWDER - DFI-164081

Published:16/08/2018

Description

Characteristicwhite or almost white crystalline powder

Specification

IdentificationPositive reaction
Clarity & Colour of SolutionClear, BY7
Heavy metals Max:0.001%
Melting pointAbout 190°C
ArsenicMax 0.0003%
Oxalic Acid Max:0.2%
Iron (Fe)Max 0.0002%
CopperMax 0.0003%
LeadMax 0.0002%
Sulphated ash Max:0.1%
Specific Optical Rotation+20.5° to -21.5°
Assay99 to 100.5%
Loss on drying Max:0.1%
Organic impuritiesMeets the requirements
ZincMax 0.0025%
pH(5% W/V)2.1 to 2.6
MercuryMax 0.0001%