White powder, easily soluble in water, decomposes and releases oxygen when heated to 334 C. In industry, it is the raw materials for making matches, pyrotechnics, black powder, glass and food preservatives. Potassium nitrate can be directly produced by mining and enrichment in Chile and other places.
Extended data:
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 analytical reagents. It can be prepared by the reaction of 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.
Medical value
Nitrate is also known as arsenic nitrate, bitter nitrate, flame nitrate, fire nitrate, ground frost, raw nitrate and Beidi Xuanzhu.
The smell is bitter, cold and non-toxic. Li Shizhen thinks: It should be bitter, bitter, warm and nontoxic.
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