Premium
Effect of Inorganic Additives on a Conventional Anionic–Nonionic Mixed Surfactants System in Aqueous Solution
Author(s) -
Khimani Mehul,
Vora Sambhav
Publication year - 2011
Publication title -
journal of surfactants and detergents
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.349
H-Index - 48
eISSN - 1558-9293
pISSN - 1097-3958
DOI - 10.1007/s11743-011-1275-2
Subject(s) - chemistry , micelle , pulmonary surfactant , aqueous solution , critical micelle concentration , surface tension , thermodynamics of micellization , sodium dodecyl sulfate , activity coefficient , ether , inorganic chemistry , salt (chemistry) , flory–huggins solution theory , sodium sulfate , organic chemistry , thermodynamics , sodium , polymer , biochemistry , physics
The interaction between an anionic surfactant (sodium dodecyl sulfate) and a nonionic surfactant [polyoxyethylene (9.5) octyl phenyl ether] in aqueous salt solution was investigated using the surface tension method. The critical micelle concentration values were determined for the individual surfactants and their corresponding mixtures. The interaction parameter between the surfactants in the mixed micelles, the activity and activity coefficients in the mixed micelles, and the thermodynamic parameters were calculated using various approaches, viz., Clint, Rubingh, and Maeda models. It was observed that the critical micelle concentration of the mixed surfactants system reveals little deviation from ideality.