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Dielectric Relaxation of Cationic Surfactants in Aqueous Solution. 1. Solvent Relaxation

Baar, C. ; Buchner, Richard ; Kunz, Werner



Abstract

Complex dielec. permittivity spectra, ̂ε(ν), in the frequency range 0.09 ≤ ν/GHz ≤ 89 were recorded for aq. solns. of octyl-, dodecyl-, and hexadecyltrimethylammonium bromide and dodecyltrimethylammonium chloride at room temp. and concns. c ≤ 1 mol dm-3. Addnl., for selected solns. the temp. dependence of ̂ε(ν) was examd. in the range of 0 ≤ θ/°C ≤ 65 to obtain Eyring activation enthalpies and ...

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