Potassium sulfate (K2SO4) is a salt composed of sulphate ions and potassium ions, usually in colorless or white crystals, particles or powders. Odorless, bitter. Qualitative hard. The chemistry is not lively. It's stable in the air. The density of 2.66 g/cm3. Melting point is 1069 ℃. The aqueous solution is neutral, with a temperature of about 7. 1g is soluble in 8.3 ml water, 4ml boiling water, 75ml glycerin, not soluble in ethanol.
The main purpose is the serum protein biochemical test, the keratine nitrogen catalyst, the preparation of other potassium salt, fertilizer, medicine, preparation glass, alum and so on.
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