Carbonyl infra-red absorption of ethyl acetate in ethanol+water mixtures, and in anionic surfactant solutions

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Abstract
The i.-r. absorption of the CO group of ethyl acetate in ethanol + water mixtures, and in aqueous surfactant solutions is described. The three CO bands observed in the former system are respectively ascribed to none, singly and doubly H-bonded CO. It is suggested that the three similar bands observed in the presence of surfactant micelles are evidence for the presence of three distinct environments in these systems.
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