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| Inspection items | Standard |
| Appearance | White solid |
| Content of main components％ | 96.0% min |
| Water content％ | 0.5% max |
| Calcium carbonate content﹪ | 1.0% max |
| Potassium chloride content﹪ | 0.5% max |
| Potassium hydroxide content﹪ | 0.5% max |
Production Workshop
Laboratory
Packing Workshop
Transport
