| Item | Specification | Result | Analysis Method | |
| Appearance | White Crystalline Powder | Conformed | USP43 | |
| Solubility | Slightly soluble in water | Conformed | USP43 | |
| Clarity & color of solution | Clear & colorless | Conformed | USP43 | |
| Odor & amp | Odorless & pale | Conformed | — | |
| Melting point | 292 °C | Conformed | USP43 | |
|
Identification |
The retention time of the major peakof the sample solution
corresponds to that of the standard solution , asobtained in the assay |
Conformed |
USP43 |
|
| Test of Sulfuric acid | No Carbonation | Conformed | USP43 | |
| Assay | 99.5- 102% on the dried basis | 99.95% | HPLC | |
| Creatinine | ≤100ppm | 30ppm | USP43 | |
| Loss On Drying | 10.5-12.0% | 11.60% | USP43 | |
| Residue On Ignition | ≤0. 1% | 0.02% | USP43 | |
| Iron | ≤10ppm | <10ppm | USP43 | |
| Sulfate | ≤0.03% | Conformed | USP43 | |
| Dicyandiamide | ≤50ppm | 25ppm | USP43 | |
| Dihydrotriazine | ≤5ppm | Conformed | USP43 | |
| Cyanide | ≤1ppm | Conformed | USP43 | |
| Any unspecified impurity | ≤0. 1% | Conformed | USP43 | |
| Total unspecified impurities | ≤1.5% | Conformed | USP43 | |
| Total impurities | ≤2.0% | Conformed | USP43 | |
| Heavy Metal | ≤0.5ppm | <0.5ppm | USP43 | |
| Arsenic (As) | ≤0. 1ppm | <0. 1ppm | USP43 | |
| Lead (Pb) | ≤0. 1ppm | <0. 1ppm | USP43 | |
| Mercury (Hg) | ≤0. 1ppm | <0. 1ppm | USP43 | |
| Cadmium (Cd) | ≤0. 1ppm | <0. 1ppm | USP43 | |
| Bulk Density | ≥430g/L | 475g/L | — | |
| Tapped Density | ≥550g/L | 860g/L | — | |
| Total Bacterial Count | ≤100cfu/g | <50cfu/g | USP43 | |
| Mould＆Yeast | ≤100cfu/g | <50cfu/g | USP43 | |
| E.Coli | Negative/10g | Negative | USP43 | |
| Salmonella | Negative/25g | Negative | USP43 | |
| S.aureus | Negative/10g | Negative | USP43 | |
| Conclusion: Qualified | ||||
| Country Of Origin: China | ||||
| Remark: Stored in cool, dry and ventilated warehouse, and keep away from Moisture. | ||||
| Person Responsible For Quality: | Ma Yan | Analyst | Yao Haiju | |
