vitaminC Ascorbic acid
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Product Name |
ASCORBIC ACID |
|
Analysis Standard |
BP2008/USP31 |
|
Batch No. |
201007226 |
|
Quantity |
10000KGS |
|
Manufacture Date |
JULY, 2010 |
|
Expiry Date |
JUNE, 2013 |
|
Net/Gross Weight |
25.0kgs/26.5kgs |
|
|
||
Analysis Contents |
Analysis Standard |
Analysis Results |
Characteristics |
White or almost White crystals Crystalline Powder |
Pass |
Identification |
Positive Reaction |
Positive |
Melting Point |
About 190°C |
191.0°C |
PH |
2.1-2.6 |
2.41 |
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% |
<0.1% |
Sulphate Ash(Residue On Ignition) |
≤0.1% |
<0.1% |
Specific Optical Rotation |
+20.5°–+21.5° |
+21.5° |
Mesh |
40-80 Mesh |
Pass |
Organic Volatile Impurities |
Pass |
Pass |
Assay |
99.0%-100.5% |
99.90% |
Conclusion
|
The Above-Mentioned Product Conforms To BP2008/USP31 |
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