Information
Specification category:
Product No. | Product name | specifications |
1.01702.010 | Potassium sulfate | AR500g |
1.01702.020 | Potassium sulfate | CP500g |
1.01702.030 | Potassium sulfate | AR25kg/drum |
1.01702.040 | Potassium sulfate | CP25kg/drum |
1.01702.070 | Potassium sulfate | CP25kg |
Characteristic:
Appearance and properties: Colorless crystals or white crystalline granular or powder, heavy and hard, taste salty, and bitter, stable in the air.
Relative density (water=1): 2.66
Melting point(℃): 1067
Boiling point(℃): 1689
Concentration: sterling
Solubility: Soluble in water,Dissolved in ethanol、 acetone and carbon disulfide.
Technical indicators:
Item | AR | CP |
Assay(K2SO4) | ≥99.0% | ≥98.5% |
pH valuepH value(50g/L solution,25℃) | 5.0~8.0 | 5.0~8.0 |
Clarity of solution | Pass2 | Pass4 |
Insoluble matter in water | ≤0.005% | ≤0.01% |
Chloride | ≤0.0005% | ≤0.001% |
Total nitrogen(N) | ≤0.0005% | ≤0.001% |
Sodium(Na) | ≤0.03% | ≤0.1% |
Calcium(Ca) | ≤0.01% | ≤0.02% |
Iron(Fe) | ≤0.0002% | ≤0.0005% |
Arsenic(As) | ≤0.0001% | ≤0.0005% |
Heavy metals(as Pb) | ≤0.0005% | ≤0.001% |