1. high purity vitamin c coated 2. food, feed, pharm grade 3. strong product 4. in stock 5. vitamin c coated feed grade

 VITAMIN C COATED

Introduction: This is a Vitamin C crystal coated with a thin film of medicine class high polymer. The film is either aqueous high polymer or lipolytic high polymer .Observed under intensified microscope , most of the Vitamin C crystals are coated. Because of the film protection , the anti-oxidation ability of the product is stronger than those without films and has a better performance for moisture resistance. Coated VC and Coated VC-S both have two contents 90% and 95%.

Package: Net weight 25kg cardboard cartons/ drums ( or as per customer's requirements )

Specification: QB

Usage: Widely used as additives for drugs , food and feed.

ITEMS	SPECIFICATION	RESULT
Characteristics	White or almost white crystals crystalline powder	Complies
Identification	Positive reaction	Positive
Melting Point	About 190°C	190.1°C
pH	2.1~2.6	2.59
Clarity Of Solution	Clear	Clear
Colour Of Solution	≤BY7	<BY7
Loss On Drying	0.4% Max	0.17%
Arsenic	≤3ppm	<3ppm
Lead	≤2ppm	<2ppm
Copper	≤5ppm	<5ppm
Heavy Metals	≤10ppm	<10ppm
Iron	≤2ppm	<2ppm
Mercury	≤1ppm	<1ppm
Oxalic Acid	≤0.2%	<0.2%
Sulphate Ash (Residue On Ignition)	≤0.1%	<0.1%
Specific Optical Rotation	+20.5°~+21.5°	+20.75°
Organic Volatile Impurities	Pass	Pass
Assay	99.0%~100.5%	99.65%
Conclusion: Conforms to the standard of BP2010/USP32/E300/FCCV

vitamin c coated feed grade