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nature : CaCN2 commonly called lime nitrogen or carbon and nitrogen calcium. Pure is a white powder or granules, about 34% nitrogen. Contain impurities in general is a dark gray powder or small particles, containing about 20% -22%. A carbide or ammonia odor. Water-soluble, showed alkaline reaction. Powder to be inciting people to enable mucosal swelling of livestock have toxic effects. With water, ammonia and calcium carbonate formation, is to create a method of ammonia. Cyanide is also used to make compounds such as sodium cyanide, including two of dicyandiamide. This is an important nitrogen, the nitrogen content of plants can not be directly used to be water and carbon dioxide into the role can absorbed by plants. Commonly used as a base fertilizer. In acid soil. Hygroscopicity strong, and attention should be stored. Right toxic plants can kill seeds, Shi growth in the plant leaves, make leaf shedding and can be used as defoliants or herbicides. By gases nitrogen and calcium carbide (calcium carbide) in the furnace heated to about 1,000 ° C bond into the massive objects, cooling after smashing and grinding, and then make a small water treatment residues generated from the decomposition of calcium carbide.
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