Chemical Interaction between Nonionic Surfactants and an Acid Dye

Journal of Colloid and Interface Science
A. Navarro, F. Sanz

Abstract

Complexation of the dye Direct Red 1 with a series of laurylamine surfactants with varying number of ethylene oxide units has been studied by voltammetry. From the measurement of the cathodic current of both dye and surfactant, the stability constants of the established equilibrium between the dye D, the surfactant S, and the dye-surfactant complex D-S can be calculated. The values of the stability constant K at 25 degrees C calculated for a defined dye-surfactant stoichiometry depend on the number of ethylene oxide units incorporated by the surfactant. These constants decrease by one order of magnitude at 60 degrees C maintaining the dependence on the number of ethylene oxide units. Copyright 2001 Academic Press.

Citations

May 12, 2011·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Katarzyna PytlakowskaRozalia Czoik
Jun 22, 2011·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Narjess ZaghbaniAmor Hafiane
Mar 17, 2009·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Halide Akbaş, Tanzer Taner
Apr 29, 2006·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Ali HassanzadehMohammad Hossein Habibi
Feb 4, 2006·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Halide Akbaş, Ciğdem Kartal
Oct 5, 2011·The Journal of Physical Chemistry. B·Afshin Asadzadeh ShahirHussein Gharibi

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