Customization: | Available |
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CAS No.: | 50-81-7 |
Formula: | C6H8O6 |
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Product Name | L-ascorbic acid (vitamin C) |
Batch Number | VC2001025 |
Manufacture Date | 2022-01-05 |
Report Date | 2022-01-06 |
Expiry Date | 2024-01-04 |
Quantity | 5000KG |
Country of origin | China |
Item of Analysis | Specification | Results |
Appearance | White or yellowish crystalline powder | Qualified |
Identification | Positive reaction | Qualified |
Assay(C6H8O6) | ≥99.0% | 99.6% |
Specific optical rotation | +20.5 °~+21.5 ° | +20.9 ° |
Residue on ignition | ≤0.1% | Conform |
Heavy metal(As Pb) | ≤10.0mg/kg | Conform |
Arsenic(As) | ≤3.0mg/kg | Conform |
Lead(Pb) | ≤2.0mg/kg | Conform |
Iron(Fe) | ≤2.0mg/kg | Conform |
Copper(Cu) | ≤5.0mg/kg | Conform |
Conclusion | Conform to the standard GB14754-2010 |