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比較稳定的膦酸型陽离子交換树脂是最近数年才發現的,它在工业上的应用价值还没有較多的报导。照Bregman与Murata的意見,認为这类树脂可能用作分离稀土元素、在医学上吸附人体內过量的钠离子和軟水等。
More stable phosphonic acid type cation exchange resin was discovered in recent years, its industrial application value is not yet more reported. According to Bregman and Murata’s opinion, this type of resin may be used to separate rare earth elements and medically adsorb excess sodium and soft water in the human body.