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Adsorption of proline on a mercury electrode in neutral solution

✍ Scribed by M.M. Gómez; R. Motilla; E. Díez

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
768 KB
Volume
34
Category
Article
ISSN
0013-4686

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✦ Synopsis

Ah&set-The adsorption of proline on mercury in aqueous solutions of KtZlO, lo-' M has been studied by means of double layer capacity, potential of zero charge and surface tensions at pzc measurements. The compound shows the typical characteristic features of an organic adsorbate and obeys a Frumkin isotherm with the interaction parameter depending on the eteetric field. The maximum adsorption ocxmrs at u"= -7 eC cm-z and the value of the standard free energy at this charge is -14.4 kJ mol-'.

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