| 1 |
Description |
White or Almost White crystalline powder |
| 2 |
Identification |
A. Determine by IR |
| B. Determine by Decolorization |
| C. Determine by Sodium Nitroprusside |
| D. Determine by Chemical |
| 3 |
Appearance of Solution |
Sample solution is clear and less intensely coloured than reference solution BYS7 |
| 4 |
pH (with 5% water solution) |
2.2 to 2.5 |
| 5 |
Specific Optical Rotation |
+20.5° to +21.5° |
| 6 |
Light Absorption at 244nm |
About 0.56 |
| 7 |
Oxalic Acid |
NMT 0.3% |
| 8 |
Heavy Metals |
NMT 20 ppm |
| 9 |
Sulphate Ash (Residue on Ignition) |
NMT 0.1% |
| 10 |
Assay |
99.0% to 100.5% |
