Abstract
The kinetics of the base-catalyzed hydrolysis of acctohydroxamic acid (CH 3 CONHOH) have been studied in media contain-ing soldium dodecyl sulfate (SDS) or tetradecyltrimethylammonium bromide (TTAB) micelles and β-cyclodextrin (β-CD). The presence of β-CD inhibits the hydrolysis. Both β-CD-SDS and β-CD-TTAB systems exhibit inhibitory and catalytic effects. This behavior is explained in terms of two simultaneous processes, i.e. complexation/micellization. The CMC booth in the absence and in the presence of β-CD have been determined conductometrically. These data indicate that the association process between the β-CD and surfactant has higher affinity than the micellization process.
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