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molecular formula: khso4
molecular weight: 136.16
alias: monopotassium sulfate; potassium acid sulfate; potassium hydrogen sulfate; sulfuric acid, monopotassium salt; potassium hydrogensulphate
character: white particle
to use: used as analytical reagent, such as working flux, decomposition of crystalline alumina, ferric oxide, etc., also used as a preservative, used in the preparation of potassium salts.
indicator: the maximum content of impurity is calculated by %
| name of index |
superior grade |
top grade |
| content |
99.0-102.0 |
98.0-102.0 |
| clarity test |
the aqueous solution is clear and transparent |
the aqueous solution is clear and transparent |
| water insolubles |
≤0.01% |
≤0.03% |
| chloride(cl) |
≤0.01% |
≤0.03% |
| arsenic(as) |
≤0.0003% |
≤0.0005% |
| ferrum(fe) |
≤0.002% |
≤0.005% |
| heavy metal(pb) |
≤0.001% |
≤0.002% |
packing: plastic inside and outside woven or kraft paper bag or cardboard bucket, net weight 25kg.
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