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Foam Separation of Anions: Hydration, Entropy, and Selectivity

 

作者: R.B. Grieves,   D. Bhattacharyya,  

 

期刊: Analytical Letters  （Taylor Available online 1971）
卷期: Volume 4, issue 9  

页码: 603-612

 

ISSN:0003-2719

 

年代: 1971

 

DOI:10.1080/00032717108058657

 

出版商: Taylor & Francis Group

 

关键词: flotation;foam separation selectivity;partial molal entropy

 

数据来源: Taylor

 

摘要:

A selectivity coefficient for the foam separation of Fe(CN)64-, Ag(S203)23-, Cr2072-, Cr042-, S2032-, HP042-, and I−from solutions containing ethylhexadecyldimethylammonium bromide is related to the absolute partial molal entropy of each ion. The entropy, which correlates well with the degree of hydration, enables an estimate of the selectivity of an ion flotation or foam fractionation by a surfactant.

 

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