The development of solvent extraction separation of alkaline earth elements was reviewed, according to the classification of extractants.
本文就碱土金属离子萃取分离的进展情况，按萃取剂的分类进行了综述。
Solvent extraction is a kind of effective method in separating and purifying rare earth. The result of extraction and separation of different extractants is different.
溶剂萃取法是分离提纯稀土的一种有效方法，由于萃取剂的不同导致萃取分离稀土元素的效果不一。
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