Specifications

it's a good antixidants in food preservation. widely used in meat products, fermented flour products beer tea,drinks

APPREARANCE	WHITE OR ALMOST WHITE CRYSTALS CRYSTALLINE POWDER
BULK DENSITY:	0.6-0.9G/ML (DEPENDS ON GRANULATION)
PH(2%SOLUTION IN WATER)	2.4-2.8
PH(5%SOLUTION IN WATER)	2.1-2.6
CLARITY OF SOLUTION :	CLEAR
COLOUR  OF SOLUTION :	≤BY7
MELTING POINT	ABOUT 190 °C
COPPER	≤5PPM
HEAVY METALS	≤10PPM
HG	<0.1MG/KG
LEAD	<0.4PPM
IRON	≤2PPM
ARSENIC	≤1PPM
CADIMIUM (CD)	<1MG/KG
LOSS OF DRYING	≤0.4%
OXALIC ACID	≤0.2%
SULPHATE ASH	≤0.1%
SPECIFIC OPTICAL ROTATION	+20.5-+21.5
ORGANIC VOLATILE IMPURITIES	PASS
ASSAY (AS VC)	99.0%-100.5%