| Function: | Blood System Agents |
|---|---|
| Grade Standard: | Medicine Grade |
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| Item | Specification | |
| Characters | A white or almost white crystalline powder | |
| Solubility | Very soluble in water, freely soluble in Methanol, soluble in ethanol, practically insoluble in methylene chloride | |
| Identification | Meet the requirements | |
| Melting Point | 127 ~ 134º C | |
| Appearance of solution | Clear and Clourless | |
| PH | 4.5 ~ 5.6 | |
| Related Substances | Impurity A | ≤ 0.10% |
| Unspecified Impurities | ≤ 0.10% | |
| Total Impurity | ≤ 0.20% | |
| Heavy Metals | ≤ 15ppm | |
| Iron | ≤ 15ppm | |
| Loss on drying | ≤ 0.5% | |
| Sulfated Ash | ≤ 0.1% | |
| Assay (on dried basis) | 99.0 ~ 101.0% | |
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