Potash, white crystalline powder. The density of 2.428 g/cm3. Melting point 891 ℃, boiling point when the decomposition, the relative molecular weight of 138.19. Soluble in water, alkaline aqueous solution, insoluble in ethanol, acetone and ether. Hygroscopicity strong, exposed to the air can absorb carbon dioxide and water, into potassium bicarbonate, should be sealed packaging. Hydrates have monohydrate, dihydrate, sanshui. Potash alkaline aqueous solution. Insoluble in ethanol and ether.
Mainly used for analysis reagent. Such as high purity, emission spectrum analysis, etc. Can also be used in silicate sulfate and insoluble fluxing agent, organic liquid water absorption and electroplating, chemical fertilizer, photographic industry. Used in glass, printing and dyeing, soap, enamel, preparation of potassium, ammonia carbonyl, color TV industry, as a leavening agent in food; For gas adsorbent, dry powder, rubber stabilizer, etc.; Used to have exposure of photosensitive materials washing processing.
Mainly used for analysis reagent. Such as high purity, emission spectrum analysis, etc. Can also be used in silicate sulfate and insoluble fluxing agent, organic liquid water absorption and electroplating, chemical fertilizer, photographic industry. Used in glass, printing and dyeing, soap, enamel, preparation of potassium, ammonia carbonyl, color TV industry, as a leavening agent in food; For gas adsorbent, dry powder, rubber stabilizer, etc.; Used to have exposure of photosensitive materials washing processing. Used in the electronics industry kinescope glass shell of manufacture, the decarburization, potash fertilizer production, used as analytical reagent, flux, and also used in the preparation of various potassium; Benchmark used for analysis reagent, reagent and molten silicate sulfate and insoluble flux.