CASR |
: | 7778-80-5 |
Molecular Formula |
: | K2SO4 |
Molecular Weight |
: | 174.25 |
| Specifications | |
|---|---|
| Appearance: | White or colourless solid |
| Aqueous solubility: | 10 g in 100 ml at 20°c |
| Assay: | Min 99.0% K2SO4 |
| pH of a 5% solution at 25.0°c: | 5.5-8.5 |
| Insoluble matter: | 0.01% Max. |
| Chloride(Cl): | 0.001% Max. |
| Nitrogen compounds(N): | 5 ppm Max. |
| Heavy metal (as Pb): | 5 ppm Max. |
| Iron (Fe): | 5 ppm Max. |
| Calcium(Ca): | 0.01% Max. |
| Magnesium (Mg): | 0.005% Max. |
| Sodium(Na): | 0.02% Max. |
