White powder, easily soluble in water, decomposes and releases oxygen when heated to 334℃. It is the raw material for making matches, pyrotechnics, black powder, glass and food preservatives in industry. Potassium nitrate can be directly produced through mining and enrichment in Chile and other places.
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Industrial use
Nitrate is often used to make black powder, fuse, glass, matches and fireworks, and also used as fertilizer (potash fertilizer and nitrogen fertilizer) and laboratory analysis reagent. It can be prepared by reacting sodium nitrate solution with potassium chloride. Nitrate can be used to prepare peacock green glaze and can also be used as multicolored and pastel pigments. One of the raw materials for making gunpowder.
Medicinal value
Nitrate is also called arsenic nitrate, bitter nitrate, flame nitrate, fire nitrate, frost, raw nitrate and Bedi Zhu Xuan.
The smell is bitter, cold and non-toxic. Li Shizhen thinks: It should be bitter, bitter, warm and nontoxic.
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