| Item | Specification |
| Main Content % ≥ | 99.0 |
| Phosphorus pentoxide % ≥ | 53.0 |
| Loss on drying ≥ | 0.12 |
| Water-Insoluble % ≤ | 0.05 |
| K % ≤ | 0.003 |
| Na % ≤ | 0.003 |
| Ca % ≤ | 0.003 |
| Pb % ≤ | 0.001 |
| As % ≤ | 0.0003 |
| Ni % ≤ | 0.001 |
(1) Ammonium phosphate (DAP) can be used as fire-proofing agent for woods, paper and fabric, additive for fire-retardant coating, and used for printmaking and medical manufacture.
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