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Ionization degrees (α) of micelles of hexadecyltrimethylammonium (CTAX) and tetradecyltrimethylammonium (TTAX) (X = OH-, Br-, Cl-, NO3 -, SO4 2-, and CO3 2-) were measured by a modified free electrophoresis method and by Evan's method. Cmc values for the CTAX and TTAX surfactants were also measured. Whenever possible the α and cmc values thus obtained were compared with those reported in the literature. © 1985 American Chemical Society.
Sepúlveda et al. (Fri,) studied this question.