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【答案】应助回帖
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周范: 金币+2, 博学EPI+1, ★★★很有帮助, xx 2012-03-24 20:29:57
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" According to the magnesium hydroxide and calcium carbonate is insoluble compounds of this nature, with hydroxyl ions in the milk of lime and calcium ion ammonium carbonate or sodium carbonate and has coarse saline in the magnesium ion calcium ion produced through the reaction of magnesium hydroxide and calcium carbonate is precipitated by clarifying its separation to remove, so as to achieve the refinement of brine for the purpose of." |
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