| project | Superior product |
| Appearance | Transparent crystal |
| trisodium phosphate (Na3PO4)%≥ | 98 |
| Methyl orange alkalinity (in Na2O)% | 16.5-19 |
| Water insoluble matter% ≤ | 0.05 |
| Sulfate(SO4)%. | 0.5 |
| Chloride (in terms of CI)% ≤ | 0.3 |
| Iron (Fe) ≤ | 0.01 |
| Arsenic (As) ≤ | 0.005 |