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author:

郑晓玲 (郑晓玲.) [1] | 倪兆艾 (倪兆艾.) [2]

Indexed by:

CSCD

Abstract:

本文研究了NN二甲庚基乙酰胺(N503)、NN二正混合基乙酰胺(A101)和N苯基N辛基乙酰胺(A404)三种取代酰胺对稀土元素的萃取行为.结果表明:取代酰胺在高酸浓度介质中对稀土几乎不萃取;在中性偏酸性介质中,选择有效半径较大的苦味酸根(Pic-)作为伴随阴离子,对稀土元素有较大的萃取率;稀释剂的介电常数大小对萃取能力有一定的影响.综合考虑取代基的诱导效应和空间效应对酰胺官能团的影响,其配位能力N503>A101>A404.

Keyword:

取代酰胺 溶剂萃取 稀土

Community:

  • [ 1 ] 福州大学化学系
  • [ 2 ] 杭州大学化学系

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 1998

Issue: 01

Page: 98-102

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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