Facilitated Ion Transfer of Alkali Metal Cations from Water to a Nitrobenzene Phase Containing Various Crown Ethers
Facilitated Ion Transfer of Alkali Metal Cations from Water to a Nitrobenzene Phase Containing Various Crown Ethers
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促进碱金属阳离子从水中到含有各种冠醚的硝基苯相的离子转移
DOI：
10.2116/analsci.8.545
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发表时间：
1992
期刊：
影响因子：
--
通讯作者：
J. D. Thomas
中科院分区：
文献类型：
--
作者：
Natalie K. Harris;Shidao Jin;G. J. Moody;J. D. Thomas
用四电极恒电位技术研究了碱金属离子从水到含不同冠醚的硝基苯相中的易化迁移。测定了12-冠-4，15-冠-5，苯并-15-冠-5，二苯并-18-冠-6，二苯并-24-冠-8，二苯并-30-冠-10，4′-苦胺基-5 ′-硝基苯并-18-冠-6，双[（12-冠-4）-2-基甲基]-2-十二烷基-2-甲基丙二酸酯和双[（苯并-15-冠-5）-15-基甲基]庚二酸酯。一些实验包括将约4%的聚（氯乙烯）或聚（甲基丙烯酸甲酯）聚合物添加到硝基苯相中，表明仅在后一种情况下扩散系数的大小降低。
The facilitated transfer of alkali metal ions from water to a nitrobenzene phase containing various crown ethers has been investigated using the four-electrode potentiostatic technique. Half-wave potential, diffusion coefficient and stability constant data have been obtained, and are discussed for various alkali metal complexes with nine crown ethers, namely, 12-crown-4, 15-crown-5, benzo-15-crown-5, dibenzo-18-crown-6, dibenzo-24-crown-8, dibenzo-30-crown-10, 4′-picryl-amino-5′-nitrobenzo-18-crown-6, bis[(12-crown-4)-2-ylmethyl]-2-dodecyl-2-methylmalonate and bis[(benzo-15-crown-5)-15-ylmethyl]pimelate. Some experiments involving the addition of ≈4% of either polyvinyl chloride) or poly(methyl methacrylate) polymers to the nitrobenzene phase show that the magnitude of the diffusion coefficient is reduced in only the latter case.