| Specifications | Solid |
| Purity ≥% | 90 |
| Potassium Carbonate(K2CO3)≤% | 0.5 |
| Chloride (CL)≤% | 0.005 |
| Iron (Fe)≤% | 0.0002 |
| Sulfate (SO4) ≤% | 0.02 |
| Nitrate&Nitrite(N)≤% | 0.0005 |
| Sodium (Na)≤% | 0.5 |
| Phosphate(PO4)≤% | 0.002 |
| Silica(SiO3)≤% | 0.01 |
| Aluminum (Al)≤% | 0.001 |
| Calcium (Ca)≤% | 0.002 |
| Nickel (Ni)≤% | 0.0005 |
| Heavy Metal(Pb)≤% | 0.0011 |