Testing Item | Standard | Result |
Appearance | white powder | conforms |
Assay/% | 98-101 | 99.5 |
Loss on drying/% | ≤5.0 | 1.5 |
Heavy metals | ≤20ppm | conforms |
Residual Solvent (Methanol)/% | ≤0.3 | 0.01 |
Nitrogen determination/% | 5.7~6.0 | 5.74 |
Content of calcium/% | 8.2~8.6 | 8.37 |