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Linear free energy relationships in extraction of rare earths by acidic organophosphorus extractants
其他题名用酸性有机磷萃取剂萃取稀土中的线性自由能关系
Xu QR(许庆仁)
1999
发表期刊J. Rare Earths
ISSN1002-0721
卷号17期号:4页码:241-245
摘要The correlation relationships of apparent extraction equilibrium constant (lgKex) with the electronic effect parameter (∑ν )of the substituents in extractant molecules are investigated by linear regression analysis in the extraction of rare earths by various classes and structures of monoacidic organophosphorus extractants. The results indicate that in linear free energy relationship formula lgKex=ρ∑σφ+ψ∑ν +h generally follows for this kind of extraction systems. Accordingly, the quantitative structure-behaviour relationships of extractants are discussed. These relationships can be preliminarily applied to predict the lgKex values of rare earth extraction with definite structures of this class of extractants, and thus can provide some directions for the design of new RE extractants.
学科领域物理有机化学
部门归属中国科学院上海有机化学研究所元素有机化学研究室
收录类别SCI
语种英语
WOS记录号WOS:000084537600001
引用统计
文献类型期刊论文
条目标识符http://ir.sioc.ac.cn/handle/331003/27483
专题上海有机化学研究所
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Xu QR. Linear free energy relationships in extraction of rare earths by acidic organophosphorus extractants[J]. J. Rare Earths,1999,17(4):241-245.
APA 许庆仁.(1999).Linear free energy relationships in extraction of rare earths by acidic organophosphorus extractants.J. Rare Earths,17(4),241-245.
MLA 许庆仁."Linear free energy relationships in extraction of rare earths by acidic organophosphorus extractants".J. Rare Earths 17.4(1999):241-245.
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