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25 Kilogram |
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Vitamin C vitamin C coated L-Ascorbic Acid
vitamin C coated, coated vitamin C, ascorbic acid coated, coated acorbic acid
specification
CAS NO:50-81-7
MF:C6H8O6
Properties:white to pale yellow poewr
Functions and USES :
1, prevention vitamin C deficiency, lead, mercury, arsenic poisoning, such as chronic and medicine
Rash, urticaria and methemoglobin disease,
2, to all sorts of acute or chronic infection used as auxiliary treatment drug;
3, can improve the body's immunity, and accelerate wound healing;
4, with anti-stress, anti-inflammatory and antiallergic effects,
5, can strengthen fish reduces mortality and improving palatability, cultured fish survival.
Product Name |
ASCORBIC ACID(Vitamin C) |
||
Batch No. |
201205271 |
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Analysis Standard: |
BP2010/USP32 |
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Manu.Date |
MAY.2012 |
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Shelf Life |
3 Years |
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Net/Gross Weight |
25.0KGS/26.5KGS |
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Contents |
Standard |
Results |
|
Characteristics |
White or almost White crystals Crystalline Powder |
Pass |
|
Identification |
Positive Reaction |
Positive |
|
Melting Point |
About 190°C |
191.1°C |
|
PH |
2.1-2.6 |
2.46 |
|
Clarity Of Solution |
Clear |
Clear |
|
Colour Of Solution |
≤BY7 |
<BY7 |
|
Copper |
≤5ppm |
5ppm |
|
Heavy Metals |
≤10ppm |
<10ppm |
|
Mercury |
<0.1mg/kg |
<0.1mg/kg |
|
Lead |
<2mg/kg |
<2mg/kg |
|
Arsenic |
≤3ppm |
<3ppm |
|
Cadmium(Cd) |
<1mg/kg |
<1mg/kg |
|
Oxalic Acid |
≤0.2% |
<0.2% |
|
Iron |
≤2ppm |
<2ppm |
|
Loss of Drying |
≤0.4% |
0.03% |
|
Sulphate Ash(Residue On Ignition) |
≤0.1% |
<0.1% |
|
Specific Optical Rotation |
+20.5°–+21.5° |
+21.15° |
|
Organic Volatile Impurities |
Pass |
Pass |
|
Assay |
99.0%-100.5% |
99.81% |
|
Residual Solvents |
Methanol:≤3000 ppm |
<100ppm |
|
Total plate count |
≤1000 cfu/g |
<10 cfu/g |
|
Yeasts& molds |
≤100 cfu/g |
<10 cfu/g |
|
Escherichia coli |
Negative in 1g |
Absence in 1g |
|
Conclusion |
The Above-Mentioned Product Conforms To BP2010/USP32 |
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