| Parameter | Value |
|---|---|
| Appearance | White crystals, yellowish-grey shade |
| KNO3 content: on dry basis, %, min | 99,9 |
| in terms of nitrogen, %, min | 13,7 |
| in terms of potassium (K2O), %, min | 46,2 |
| Moisture content, max, % | 0,2 |
| Chlorine salt content, %, max | 0,02 |
| Insoluble, %, max | 0,01 |
| pH (1% solution) | 5,4 |