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Items | Standards |
Appearance | White or light brown powder, odorless |
Assay(%) | 98.5 Min |
Specific rotation(°) | +18.0 - +21.5 |
Loss on drying(%) | 1.0 Max |
Residue on ignition(%) | 0.3 Max |
Ammonium salt(%) | 0.04 Max |
Heavy metals(ppm) | 30 Max |
As(ppm) | 2.0 Max |
pH | 5.0 - 6.0 |


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