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nature : NaOH to identify the source of caustic soda, soda, caustic satisfied. Pure is a colorless and transparent crystal. Density 2.130. 318.4 ° C melting point. Boiling Point 1390 ° C Industrial products containing a small amount of sodium chloride and sodium carbonate is a white opaque solids. A massive sheet, such as granular and Corynebacterium. Concentrated solution into the product name to caustic. Solid base hygroscopicity strong, and water-soluble, strongly exothermic. Soluble and ethanol and glycerol. Lu on the air, it will eventually completely dissolved into solution. The strong alkaline, on the skin, fabric, paper, etc. are highly corrosive. From the air easily absorb carbon dioxide and gradually turned into sodium carbonate, to be stored in closed tin can or bottle and other Central. Use a wide, such as the manufacture of soap, paper and pulp, rayon, collate cotton fabric, refined oil, refined products such as coal tar. A method and chemical electrolysis method two. Chemical Lime there Causticizing law and ferrous Salts law. See salt electrolysis method.
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