calcium carbide

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Inorganic compounds, white, crystalline, industrial goods for gray to block, section for purple or gray. Occur immediately fierce reaction of water and is an important basic chemical raw materials.The physical and chemical properties: tan or black block solid, is tasted for colorless crystals. Occur immediately fierce reaction of water, generate acetylene, and produce heat, calcium carbide different content change melting point. Impurities: because in the calcium carbide contain arsenic calcium, phosphate impurities such as calcium, and the function of the water released simultaneously of hydrogen, phosphine arsenic and toxic gases, so use calcium carbide produced by acetylene toxic (must be through the thick H2SO4 and heavy chromium acid potassium lotion to remove).

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Shaanxi henglicheng chemical co.,ltd

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