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| Test/Property | Specification | Test Result |
| Appearance | White crystal powder | White crystal powder |
| KH2PO4 | ≥ 99.0% | 99.22% |
| Phosphorus (P2O5) | ≥ 51.6% | 51.8% |
| Potassium(K2O) | ≥ 34.0% | 34.15% |
| Insoluble in water | ≤ 0.05% | 0.11% |
| Moisture | ≤ 0.2% | 0.15% |
| PH | 4.3-4.7 | 4.55 |
| Mesh | 30~16 mesh | 16 mesh |
| Particle size | 0.55-1mm | 0.87 mm |
