Complaint
Specification
ITEM | STANDARD |
Appearance | White or almost white crystal or crystalline powder |
Identification | Positive |
Melting point | 191 ºC ~ 192ºC |
pH (5%, w/v) | 2.2 ~ 2.5 |
pH (2%,w/v) | 2.4 ~ 2.8 |
Specific optical rotation | +20.5° ~ +21.5° |
Clarity of solution | Clear |
Heavy metals | ≤0.0003% |
Assay (as C 6H 8O6, %) | 99.0 ~ 100.5 |
Copper | ≤3 mg/kg |
Iron | ≤2 mg/kg |
Mercury | ≤1 mg/kg |
Arsenic | ≤2 mg/kg |
Lead | ≤2 mg/kg |
Oxalic acid | ≤0.2% |
Loss on drying | ≤0.1% |
Sulphated ash | ≤ 0.1% |
Residual solvents (as methanol) | ≤ 500 mg/kg |
Total plate count (cfu/g) | ≤ 1000 |
Yeasts & molds (cfu/g) | ≤ 100 |
Escherichia. Coli/g | Absence |
Salmonella/ 25g | Absence |
| Absence |
Application
In the pharmaceutical industry,can be used to treat scurvy and various acute and chronic infections diseases,are applicable to the lack of VC.
In the food industry,it can both use as nutrition-al supplements,supplementary VC in food processing,and also is good Antioxidants in food preservation,widely used in meat products,,fermented flour products,beer,tea dtinks, fruit juice,canned fruit,canned meat and so on;also commonly used in cosmetics,feed additives and other industrial areas.
Packaging
25kg/bag/carton/drum or as costomer's requirement.
