A study of the non-electrostatic interaction micelle/charged ligand:: A comparison of the results obtained by two different methods

被引：1
|
作者：
Jiménez, R [1 ]
García-Fernández, E [1 ]
Grueso, E [1 ]
Fernández, I [1 ]
Marín, I [1 ]
Sanz, JJ [1 ]
Torrado, LA [1 ]
Villegas, D [1 ]
González, L [1 ]
Stürekow, HK [1 ]
Leon, M [1 ]
Lería, F [1 ]
Machuca, EM [1 ]
Martinez, LM [1 ]
Morales, J [1 ]
Villa-Bernaldez, I [1 ]
Prado-Gotor, R [1 ]
机构：
[1] Univ Seville, Fac Quim, Dept Quim Fis, E-41012 Seville, Spain
来源：
CHEMICAL PHYSICS LETTERS | 2006年 / 417卷 / 4-6期
关键词：
D O I：
10.1016/j.cplett.2005.10.074
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A kinetic study of the reaction between [Fe(CN)(6)](4-) (hexacyanoferrate (II)) and [Co(en)(2)Cl-2](+) (traits-dichlorobis cobalt(III) bis(ethylenediammine)) has been carried out in sodium dodecyl sulphate (SDS) micellar solutions containing NaCl. The results are discussed by using an approach based on the pseudophase model. Trends in the observed reactivity are explained by a change in the degree of association of one of the reactants ([Co(en)(2)Cl](+) in the present Letter) to the micelles, which depends on the surface potential of the micelles. The electrostatic and non-electrostatic components of the free energy of binding are determined by two different methods and the results of these determinations are compared. (c) 2005 Elsevier B.V. All rights reserved.
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页码：509 / 514
页数：6
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