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同离子效应使方解石在０．０１ｍｏｌ／ＬＮａ２ＣＯ３溶液中的溶解度比在纯水中的溶解度降低近１００倍．在同时含有方解石和萤石的白钨矿石中，白钨粗选中加入适量Ｎａ２ＣＯ３，同离子效应使方解石活化而浮选进入白钨粗精矿，这样既有利于得到高质量萤石精矿，对最终白钨精矿质量也无明显影响
The same ion effect makes the solubility of calcite in 0.01mol / LNa2CO3 solution lower than the solubility in pure water nearly 100 times. In the scheelite containing both calcite and fluorite, proper amount of Na2CO3 is added to the scheelite rough, and the same ion effect activates the calcite and flotation into the scheelite concentrate, which is not only beneficial to obtain high-quality fluorite concentrate, but also to The final scheelite quality no significant effect