| ≥1 piece |
|
Product Name |
ascorbic acid
|
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|
Analysis Standard |
BP2005/USP30 |
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Batch Number |
sample |
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Quantity |
100g |
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Manufacturer Date |
MAR.2009 |
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Expiry Date |
MAR.2012 |
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Net/gross weight |
25.0kgs/26.5kgs |
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|
Mesh |
40-80 |
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|
Analysis Contents |
Analysis Standard |
Analysis Results |
|
|
Description |
White or almost white crystals or crystalline powder |
Pass |
|
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Identification |
Positive Reaction |
Positive |
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Melting Point |
|
|
|
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PH |
2.1-2.6 |
2.40 |
|
|
Clarity Of Solution |
Clear |
Clear |
|
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Colour Of Solution |
≤ BY 7 |
7 |
|
|
Copper |
≤ 5ppm |
<5ppm |
|
|
Heavy Metals |
≤ 10ppm |
<5ppm |
|
|
mercury |
≤ 1ppm |
<1ppm |
|
|
Lead |
≤ 2ppm |
<2ppm |
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Arsenic |
≤ 3ppm |
<3ppm |
|
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Oxalic Acid |
≤ 0.2% |
<0.2% |
|
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Loss on drying |
≤ 0.4% |
<0.1% |
|
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Residue on ignition |
≤ 0.1% |
<0.1% |
|
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Specific Rotation |
+20.5 °– +21.5 ° |
+21.1 ° |
|
|
organic Volatile Impurities |
Pass |
Pass |
|
|
Assay |
99.0-100.5% |
99.90% |
|
|
Conclusion |
The Above-Mentioned Product Conforms To BP2005/USP30 |
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