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Micelle and solvent relaxation in aqueous sodium dodecylsulfate solutions

Fernandez, P. ; Schrödle, S. ; Buchner, Richard ; Kunz, Werner



Abstract

Dielec. spectra were measured for aq. Na dodecylsulfate (SDS) solns. up to 0.1 molL-1 at 25° over the frequency range 0.005 ≤ ν GHz-1 ≤ 89. The spectra exhibit 2 relaxation processes at ∼0.03 GHz and 0.2 GHz assocd. with the presence of micelles in addn. to the dominant solvent relaxation process at ∼18 GHz and a small contribution at ∼1.8 GHz due to H2O mols. hydrating the micelles. Detailed ...

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