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Study of the electrical double-layer between mercury and aqueous solutions of trifluoroacetic acid

✍ Scribed by S. González; P. Carro; A. Arévalo

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
499 KB
Volume
29
Category
Article
ISSN
0013-4686

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✦ Synopsis

The adsorption of CFSCOO ions at the H&aqueous CF,COOH interphase was studied, using both differential and electrocapillary measurements. The hump of the C,-E curve diminishes as the concentration increases from the 0.2 M solution, which is attributed to adsorption of undissociated CF,COOH molecules. The predictions of the Esin-Markov coefficients are not valid in this case. The representations of I$~-~ us q are not linear and present negative slopes for concentrations above 0.2 M. This last result has no physical meaning, indicating, if anything, an ion radius greater than the diameter of a molecule of water fNTRODUCTION

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