L(+)Ascorbic acid extrapure 100GM | |||
10220SG100 | 914800212IW | ||
Extrapure | 9148002 | ||
50-81-7 | 97010 | ||
C6H8O6 | September 2023 | ||
176.13 | August 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | White crystalline powder. | White or almost white crystalline powder. |
2 | Solubility | Complies | Freely soluble in water, Soluble in ethanol 96% |
3 | Assay(iodometric) | 99.73% | min. 99.00% |
4 | Specific rotation([a]20°/D;c=10,H2O) | +20.95° | +20.5° to +21.5° |
5 | Melting point | 191°C | 190-192 °C |
6 | Sulphated ash | 0.05% | 0.1% max. |
7 | Iron(Fe) | 0.0001% | 0.0002% max. |
8 | Heavy metal(as Pb) | 0.0001% | 0.001% max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |