Abstract
The composition of icosanoic acid films deposited on substrates from an aqueous subphase containing metal such ions as cadmium, calcium, barium and lead at various pH values was investigated by X-ray photoelectron spectrocopy and Fourier transform IR-reflection absorption spectroscopy. It was found that the composition of the Langmuir-Blodgett films is changed by the pH of the subphase and that the pH range of formation of acid, salt and mixed films is characteristic for each metal ion. Also, the results obtained are in good agreement with the data of different methods of analysis.
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