- Chemical formula: K2SO4, Molecular
weight: 174.25
- Properties:
Potassium Sulphate is colorless or white hexagonal or rhombic
crystal or granular powder. The relative density is 2.662. The
inversion point is at 588 ,
the melting point is at 1069
and the boiling point is at 1689 .It
is soluble in water (12g/100ml water at 25 ;24.1g/100ml
water at 100 )
and insoluble in alcohol, acetone and carbon bisulfide. It tastes
bitter and salty.
- Applications:
Potassium Sulphate is mainly used as smoke suppressor for bomb
in military industry. It is a chemical fertilizer applied in
agriculture and a constituent of potassium salt. It is also
used as a intermediate in dyeing, a clarifying agent in glass
industry, a release inhibitor in medicine, an accessory ingredient
in aromatics industry and all-purpose additives in food industry.
It is also used in biochemical inspection of serum protein.
Standard: HG/T3279-90
| Item |
Super Grade |
First Grade |
qualified |
| K2O %≥ |
50.0 |
45.0 |
33.0 |
| CL %≤ |
1.5 |
2.5 |
- |
| Moisture %≤ |
1.0 |
3.0 |
5.0 |
| Free acid %≤ |
0.5 |
3.0 |
- |
| Na2O %≤ |
- |
- |
1.0 |
- Packing: Compound plastic woven bag, net weight:50 KG.
- Production capacity: 50000tons/year
|