Basic properties: the chemical formula is K2SO4 and is a salt composed of sulfate ions and potassium ions, usually as colorless or white crystals, particles, or powder. No odor, bitter taste. STI. Chemically inactive. Stable in air. Density 2.66 g / cm. MP 1069 ° C. The aqueous solution is neutral with a pH of about 7 at normal temperature. Dissolve 1 g in 8.3 ml of water, 4 ml of boiling water, 75 ml of glycerol, and dissolve in ethanol.
Primary use: it is a basic raw material for the manufacture of various potassium salts such as potassium carbonate, potassium persulfate and the like. Glass industry was used as a clearing agent. Dye industry used as intermediate. Spices industrially used as co AIDS and so on. The pharmaceutical industry also serves as a laxative, among others. Potassium sulfate is a commonly used potassium fertilizer agriculturally with about 50% potassium content, and is commonly known as "" white Gary "" in Taiwan. In addition, potassium sulfate is also industrially used in glass, dyes, spices, medicine, and so on.
Agriculturally used as a chemical fertilizer is the raw material for making potassium salts. Potassium sulphate is used as an additive in the plating, acting as a conductive salt and co assistant. Food industry used as generic additive. Dye industry used as intermediate. Spices industrially used as co AIDS and so on. The pharmaceutical industry also serves as a laxative, among others. Also used for serum protein biochemical tests.
Executive standard: GB 20406-2006 potassium sulfate for agricultural use