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单词
rare earth oxidation-reduction separation and purification
释义
rare earth oxidation-reduction separation and purification
Encyclopedia
工学
稀土湿法冶金
释
rare earth oxidation-reduction separation and purification
稀土氧化还原法分离提纯
基于某些稀土元素易氧化为四价状态〔如铈(Ce)、镨(Pr)、铽(Tb)〕或易还原为二价状态〔如钐(Sm)、铕(Eu)、镱(Yb)〕,而与其他三价稀土元素在化学性质上存在较大差异的特性来分离提纯这些变价元素的方法。
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