Dynamic surface tensions have been measured for hexadecyltrimethylammonium bromide solutions in an overflowing cylinder by three independent methods. The surface tensions are derived by two noninvasive techniques, surface light scattering and ellipsometry, agreed well over the entire concentration range. Surface tensions determined by the classical Wilhelmy plate technique also agreed with the noninvasive measurements provided that the plate was completely wetted by the solution.
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Manning-Benson et al. (1997) studied this question.
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