SPECIFICATION
| Appearance | White crystalline powder |
| Specific rotation | +47.0°— +53.0° |
| Content | 98.0% – 102.0% |
| Sulfates | 15.5-16.5% |
| Loss on drying | ≤0.5% |
| Residue on ignition | 26.5%— 31.0% |
| pH | 3.5 — 5.0 |
| Chloride | 11.2%—12.8% |
| Mesh Size | 30Mesh |
| Iron | ≤10ppm |
| Arsenic | ≤0.5ppm |
| Heavy Metals | ≤10ppm |
| Sodium | Meets the requirements. |
| Organic volatile impurities | Meets the requirements. |
| Total plate count | ≤1000cfu/g |
| Yeast & Mold | ≤100cfu/g |
| E.COLI | Negative |
| Salmonella | Negative |
MOLECULAR STRUCTURE：
Molecular Formula:C6H12KNO8S
