L(+)Ascorbic acid extrapure 500GM | |||
10220SG500 | 923180227BX | ||
Extrapure | 9231802 | ||
50-81-7 | 100847 | ||
C6H8O6 | February 2024 | ||
176.13 | January 2029 | ||
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) | 99.81% | min. 99.00% |
4 | Specific rotation([a]20°/D;c=10,H2O) | +21.4°C | +20.5° to +21.5° |
5 | Melting point | 190°C | 190-192 °C |
6 | Sulphated ash | 0.06% | 0.1% max. |
7 | Iron(Fe) | Not detected | 0.0002% max. |
8 | Heavy metal(as Pb) | Not detected | 0.001% max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |