- Contact Person : Mr. Zhao Xia
- Company Name : Nutrakey Industries, Inc.
- Tel : 86-532-86069091
- Fax : 86-532-86069159
- Address : Shandong,Qingdao,NO.2 Minjiang Road, Qingdao,China
- Country/Region : China
- Zip : 266071
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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