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| Customization: | Available | 
|---|---|
| CAS No.: | 7778-80-5 | 
| Formula: | K2so4 | 
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
| Item | Test Standard | Test Result | 
| Appearance | Powder/granular | Powder/granular | 
| K2SO4 | 99%min | 99.3% | 
| K20 | 50%min | 52.6% | 
| Moisture | 1.5%max | 0.95% | 
| CL | 1.5%max | 1.5% | 
| S | 18%min | 18% | 
| Free Acid(H2SO4) | 1.5%max | 1.45% | 
| PH | 3-5 | 4.5 | 
| Water Soluble | 100% | 100% | 
| Heavy Metal | 0.01%max | 0.002% | 
| Calcium | 0.1%max | 0.04% | 
| Iron(Fe) | 0.1%max | 0.02% | 
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