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[Add]：
Room 39 Road No97 Nanyang Road Zhengzhou City Henan Province .China
[Tel]：
0086-371-63737206
[Fax]：
0086-371-63737012
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Products：Ascorbic acid 维生素C |
| Specification |
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Specification of ascorbic acid 维生素C |
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Product Name |
ASCORBIC ACID Vc |
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Specification |
BP2002/USP26 |
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Shelf Life |
3 Years |
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Item |
Specification |
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Characteristics |
White Crystalline Powder |
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Identification |
Positive Reaction |
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Melting Point |
About 190℃ |
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PH |
2.1-2.6 |
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Clarity Of Solution |
Clear |
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Colour Of Solution |
BY7 max |
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Copper |
5ppm max |
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Heavy Metals |
10ppm max |
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Iron |
2ppm max |
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Oxalic Acid |
0.2% max |
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Sulphate Ash(Residue On Ignition) |
0.1% max |
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Specific Optical Rotation |
+20.5°–+21.5° |
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Organic Volatile Impurities |
Pass |
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Assay |
99.0%-100.5% |
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Conclusion |
The Above-Mentioned Product Conforms To BP2002/USP26 | |
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