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solution: dissolve in water. purposes: primarily for flavoring, is the material necessary for the human body. Industrial widely used caustic soda, electrolysis, metallurgical, leather, soap, freezers, water treatment of the regeneration of ion exchange, and so on. Preparation or Source: The main ingredient is sodium chloride. There are two kinds of salt and refined brine. Salt water from the mine salt water, salt Salt juice, salt water ponds and fried after drying, filtration, steam concentration, crystallization, derived. Further refined brine from the salt crystallization and chemical methods to remove alkali and alkaline earth metal impurities such as sodium carbonate and sulfate formed.
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