| Min | max | test |
| phosphor | 17% | – |
| Calcium | 21% | 25% |
| Phosphorus soluble in citric acid 2% | 85% | total phosphorus |
| Fluorine | – | 1800ppm |
| Arsenic | – | 15 ppm |
| pb | – | 45 ppm |
| cadmium | – | 20 ppm |
| hg | – | 0.1ppm |
| رطوبت | – | 3% |
| wet | 1 | 8 |
| Phosphorus soluble in alkaline ammonium citrate | 85% | total phosphorus |
| Phosphorus is soluble in water | 20% | Total phosphorus |