CAS Number
7778-80-5
Formula
K2SO4
Weight
174,27
M: 174,27 EC: 231-915-5 NC: 3104 30 00
| Appearance | White crystal or White crystalline powder |
| Assay (acidimetric) | 99,0 - 101,0% |
| Insoluble matter (6,67% in water) | Max 0,01% |
| pH (5% solution in water) | 5,5 - 8,5 |
| Chloride (Cl) | Max 0,001% |
| Total nitrogen (N) | Max 0,0005% |
| Heavy metal (as Pb) | Max 0,0005% |
| Iron (Fe) | Max 0,0005% |
| Calcium (Ca) | Max 0,01% |
| Magnesium (Mg) | Max 0,002% |
| Sodium (Na) | Max 0,02% |
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