发布日期：2020-09-22 18:05 浏览次数：
This product is white crystal or crystalline powder; odorless, Pickle; long home yellowish color gradient; aqueous acidic reaction. This product is soluble in water, slightly soluble in ethanol, insoluble in chloroform or ether.
Usage: VC coated can be used as nutritional supplements. Antioxidants; protecting reagent. Can enhance resistance to infectious diseases. Can be used for beer, fermented flour products, carbonated drinks, tea drinks, juice drinks, soy drinks, milk candy, canned fruit, jelly, broth, children's cereal, meat products, bakery products etc.
Specification:
|
Item |
Standard (BP2005/USP31/EP5) |
|
Characteristics |
White crystals or crystalline powder |
|
Identification |
Positive Reaction |
|
Melting Point |
190 |
|
PH |
2.2~2.6 |
|
Clarity of Solution |
Clear |
|
Color of Solution |
≤BY7 |
|
Specific Optical Rotation |
+20.5~+21.5° |
|
Copper |
≤ 5 ppm |
|
Heavy metals |
≤ 10 ppm |
|
Iron |
≤ 2 ppm |
|
Oxalic Acid |
≤ 0.2 % |
|
Sulphated Ash |
≤ 0.1 % |
|
Residue on Ignition |
≤0.1 % |
|
Organic Volatile Impurities |
Pass USP Test |
|
Assay |
99.0~100.0% |
|
Loss on drying |
≤ 0.4 % |
|
Lead |
≤2ppm |
|
Mercury |
≤0.1mg/kg |
|
Mesh |
40~80mesh |
|
Arsenic |
≤3ppm |
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