| PARAMETER | U.S.P. | Result |
| Appearance | White powder | White powder |
| pH | 5.5 -7.0 | 6.4 |
| Moisture | 7%max | 6.7% |
| Loss on drying | 5%max | 4.1% |
| Water Insoluble Substances | 0.25max | 0.18% |
| Residue on ignition | 0.5%max | 0.2% |
| Heavy metals | 10ppm max | 40ppm |
| Arsenic | 2ppm max | 1.6ppm |
| Assay | 97%- 102% | 97.5% |
| Conductivity | NMT-75 µs/cm | 50µs/cm |
| Starch | Negative | Negative |
| aerobic bacteria
|
1000CFU/G max | 90CFU/G |
| molds and yeast
|
100CFU/G max | 90CFU/G |
| Escherichia coli
|
Non detected | Non detected |
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