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nature : The main ingredient is sodium chloride. There are two slices and salt. Diet may be water, mineral salt solution, Shangyanjing salt juice, salt, etc. Yanchi fried After drying, filtration, steam concentration, crystallization and other derived. Refined salt from the diet of recrystallization and chemical methods to remove alkali and alkaline earth metals such as sulfate and sodium carbonate from impurities. Salt is the main purpose seasoning, as well as life nutrition necessary for the material. Industrial widely used caustic soda, electrolysis, metallurgical, leather, soap, freezers, water treatment cation exchange for the regeneration and so on. Participation sodium chloride.
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