ASCORBIC ACID
Specifications
white or almost white crystal crystalline powderProduct Name |
ASCORBIC ACID |
|
Analysis Standard |
BP2011/USD36/FCCVIII/E300 |
|
Batch Number |
201401010 |
|
Quantity |
2000KGS |
|
Manufacture Date |
JAN.2014 |
|
Expiry Date |
DEC.2016 |
|
| ||
Analysis Contents |
Analysis Standard |
Analysis Results |
Description |
White or almost White crystals Crystalline Powder |
Pass |
Identification |
Positive Reaction |
Positive Reaction |
Melting Point |
About 190°C |
190.1 °C |
PH |
2.4-2.8 |
2.42 |
Clarity Of Solution |
Clear |
Clear |
Colour Of Solution |
≤BY7 |
<BY7 |
Copper |
≤5ppm |
<5ppm |
Heavy Metals |
≤10ppm |
<10ppm |
Mercury |
<0.1mg/kg |
<0.1mg/kg |
Iron |
≤2ppm |
<2ppm |
Oxalic Acid |
≤0.2% |
<0.2% |
Lead |
<2mg/kg |
<2mg/kg |
Arsenic |
≤3ppm |
<3ppm |
ZINC |
≤0.25ppm |
<0.25ppm |
Loss on drying |
≤0.1% |
<0.1% |
Residue on ignition |
≤0.1% |
<0.1% |
Specific Rotation |
+20.5°–+21.5° |
+21. 22° |
Organic Volatile Impurities |
Pass |
Pass |
Assay |
99.0% - 100.5% |
99.92% |
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