Abstract
AbstractA novel electrochemical method has been developed for the determination of the oxygen solubility in cetyltrimethylammonium bromide (CTAB) micelles. The electroreduction of oxygen is studied in aqueous phosphate buffer solutions, using a microelectrode. The addition of micelle‐forming surfactants to solutions pre‐saturated with oxygen leads to a reduction of the oxygen signal, allowing the oxygen uptake by the micelles to be measured. For CTAB micelles, an oxygen concentration of 6.7±0.72 mm was observed, which was shown to remain constant with increasing CTAB concentration in the bulk solution. The method has general applicability.
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