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Appeance | Crystaline, Powder |
---|---|
Colour | white |
chemical formula | K2SO4 |
C.A.S No | 7778-80-5 |
Item | Results | Test Mesthod | Ref. |
---|---|---|---|
Solubility in H2O (g/l) | 110 - (min.110) | Solubility | internal |
Moisture Content (%) | 0.087 - (max.0.1) | Thermo-gravimetric | EN 12048 AOAC 950.01 |
Bulk (g/cm3) | 1.49 - (1.4-1.6) | by weight | internal |
Insoluble (%) | 0.053 - (max.0.1) | gravimetric | internal |
Item | Results | Test Mesthod | Ref. |
---|---|---|---|
Potassium as K2O (%) | 52.17 - (min.51) | Flame Photometric | AOAC 971.01 |
Potassium as K+ (%) | 43.3 - (max.42) | Flame Photometric | AOAC 950.01 |
Chloride as Cl- (%) | 0.31 - (max.0.5) | Volumetic | Volhard Test |
Sulphur as S (%) | 17.97 - (min.17) | ICP | USEPA6010 |
PH 1% Solution (--) | 2.3 - (2.2) | PH meter | lnternal |
Acidity as H2SO4 (%) | 1.85 - (max.3) | Volumetic | acid-base titration |