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在稀土元素分离工艺中,目前广泛采用2-乙基己基膦酸单2-乙基已酯(P507)作为萃取剂。对于其它烷基膦酸单烷基酯类型的萃取剂开展研究,进一步寻找性能更为优良的新萃取剂是有意义的。等用甲基膦酸单异烷基酯对重稀土元素萃取
In the rare earth element separation process, 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester (P507) is widely used as an extractant. It is instructive to further investigate other extractive alkyl monoalkyl esters and to find new extractives with better performance. Heavy alkyl rare earth elements such as methyl phosphonic acid ester extraction