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Sodium carbonate
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Update time : 2020-06-10 14:19:29
The study of soda is called sodium carbonate, which is called pure alkali in industry. It is a weak acid strong base salt, colorless solid and soluble in water.In aqueous solution, electrolysis of sodium and carbonate, hydrolysis of carbonate to make the solution alkaline.
The aqueous solution of sodium carbonate is weak and alkaline, with a pH of 8-10.In selecting sulphide lead-zinc mine, the preferential flotation was adopted, and the selection of galena was to suppress the flash zinc ore, pyrite, and the pH of the slurry was between 8 and 10.Using sodium carbonate instead of lime, it is not only to maintain the pH stability of the pulp, but also to avoid the inhibitory effect of Ca2＋ on lead ore.
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