| |
 |
 Potassium
chloride |
|
| Industrial or agricultural use ,standard
is GB6549-86;KCL 96% up and KCL 92% up |
| Potassium
sulfate |
|
Agricultural use,standard is ZB G 21006-89
and DB65/029-1999;
K2O is 50% up(best quality) and 45% (first quality) |
| Potassium
nitrate |
|
| KNO3 99.7% |
| Sodium
nitrate |
|
| Standard is GB/T4553-9,NaNO3 99.3%
98.5% |
|
|
