Evidence of Ternary Inclusion Complexes Formation Using Factorial Design and Determination of Their Formation Constant

被引：0
|
作者：
Gabriela Roa-Morales
Laura Galicia
M. T. Ramírez-Silva
机构：
[1] Universidad Autónoma Metropolitana-Iztapalapa,Departamento de Química
来源：
Journal of inclusion phenomena and macrocyclic chemistry | 2003年 / 46卷
关键词：
acetate; β-cyclodextrin; EDTA; factorial design; formation constants; inclusion complexes; Pb;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Evidence of the interaction among the [PbAc]+ and[PbEDTA]-2 with the β-cyclodextrin (β-CD)is shown, using a 24 factorial design. The factors used werethe [Pb(II)], [β-CD], [Ac-] and [EDTA] concentrationsat pH = 6.2. The statistical results indicate that the changes inchemical response for these species are associated to theinteraction among these factors. Spectrophotometric andelectrochemical studies were undertaken to assess the interactions.The equilibrium constants for inclusion complexes were determinedFor β-CD-[PbAc]+ and β-CD-[PbEDTA]-2.
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页码：139 / 145
页数：6
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