| P2O5,% | ≥ | 51.2 |
| K2O,% | ≥ | 33.9 |
| Moisture,% | ≤ | 2 |
| Iron(Fe),% | ≤ | 0.003 |
| Arsenic(As),% | ≤ | 0.0001 |
| Heavy metal(Pb), % | ≤ | 0.001 |
pack：
use：
| P2O5,% | ≥ | 40 |
| K2O,% | ≥ | 52.9 |
| Moisture,% | ≤ | 2 |
| Iron(Fe),% | ≤ | 0.003 |
| Arsenic(As),% | ≤ | 0.0001 |
| Heavy metal(Pb), % | ≤ | 0.001 |
pack：
use：
| P2O5,% | ≥ | 32.8 |
| K2O,% | ≥ | 65.2 |
| Moisture,% | ≤ | 2 |
| Iron(Fe),% | ≤ | 0.003 |
| Arsenic(As),% | ≤ | 0.0001 |
| Heavy metal(Pb), % | ≤ | 0.001 |
pack：
use：
| P2O5,% | ≥ | 32.8 |
| K2O,% | ≥ | 65.2 |
| Moisture,% | ≤ | 2 |
| Iron(Fe),% | ≤ | 0.003 |
| Arsenic(As),% | ≤ | 0.0001 |
| Heavy metal(Pb), % | ≤ | 0.001 |
pack：
use：
| Potassium tripolyphosphate | ≥ | 85 |
| P2O5,% | - | 46.5-48.0 |
| Water Insolubler,% | ≤ | 2 |
| Arsenic(As),% | ≤ | 0.0003 |
| Heavy metal(Pb), % | ≤ | 0.001 |
| Fluoride(F),% | ≤ | 0.001 |
| Calcination of weightlessness ,% | ≤ | 0.4 |
pack：
use：
Potassium Pyrophosphate
Monopotassium Phosphate(MKP)
Dipotassium Phosphate(DKP)
Tripotassium Phosphate(TKP)
Potassium tripolyphosphate