SZSE：002741
| Product No. | Product name | specifications |
| 1.01702.010 | Potassium sulfate | AR500g |
| 1.01702.020 | Potassium sulfate | CP500g |
| 1.01702.030 | Potassium sulfate | AR25kg/drum |
| 1.01702.040 | Potassium sulfate | CP25kg/drum |
| 1.01702.070 | Potassium sulfate | CP25kg |
| Item | AR | CP |
| Assay(K2SO4) | ≥99.0% | ≥98.5% |
| pH valuepH value(50g/L solution,25℃) | 5.0~8.0 | 5.0~8.0 |
| Clarity of solution | Pass2 | Pass4 |
| Insoluble matter in water | ≤0.005% | ≤0.01% |
| Chloride | ≤0.0005% | ≤0.001% |
| Total nitrogen(N) | ≤0.0005% | ≤0.001% |
| Sodium(Na) | ≤0.03% | ≤0.1% |
| Calcium(Ca) | ≤0.01% | ≤0.02% |
| Iron(Fe) | ≤0.0002% | ≤0.0005% |
| Arsenic(As) | ≤0.0001% | ≤0.0005% |
| Heavy metals(as Pb) | ≤0.0005% | ≤0.001% |
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