| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Colorless to yellowish transparent liquid | Conforms |
| Proportion | 1.48~1.50 | 1.494 |
| P2O3 | ≥17.0% | 17.52% |
| K2O | ≥27.0% | 27.06% |
| Chloride | ≤0.01% | <0.01% |
| Heave metals(Pb) | ≤0.0005% | <0.0005% |
| Insoluble solid in water | ≤0.30% | 0.08% |
| PH value | 7.0~7.5 | 7.2 |
| Assay (K2HPO3) | ≥50.0% | 50.6% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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