Adsorption of Fuchsin Basic on Copper in Citric Acid

The adsorption of Fuchsin Basic (FB) on copper surfaces in citric acid solutions whose concentrations ranged from 0.001 to 0.1 M was investigated using gravimetric measurements. The concentrations of FB studied ranged from 1 × 10 −5 to 1 × 10 −1 M with adsorption experiments being conducted at tempe...

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Main Authors: J.L. Polo, E. Cano, P. Pinilla, J.M. Bastidas
Format: Article
Language:English
Published: SAGE Publications 2002-12-01
Series:Adsorption Science & Technology
Online Access:https://doi.org/10.1260/026361702321705294
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author J.L. Polo
E. Cano
P. Pinilla
J.M. Bastidas
author_facet J.L. Polo
E. Cano
P. Pinilla
J.M. Bastidas
author_sort J.L. Polo
collection DOAJ
description The adsorption of Fuchsin Basic (FB) on copper surfaces in citric acid solutions whose concentrations ranged from 0.001 to 0.1 M was investigated using gravimetric measurements. The concentrations of FB studied ranged from 1 × 10 −5 to 1 × 10 −1 M with adsorption experiments being conducted at temperatures from 298 K to 328 K. The adsorption mechanism is discussed in terms of the applicability of the conventional Frumkin, Bockris–Swinkels and Kastening–Holleck isotherms, amongst others. The best fit was obtained using the Frumkin isotherm model. A thermodynamic/kinetic model of adsorption was also fitted.
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spelling doaj.art-a1bc96f954de46af85908c202e2927b42024-03-02T14:34:46ZengSAGE PublicationsAdsorption Science & Technology0263-61742048-40382002-12-012010.1260/026361702321705294Adsorption of Fuchsin Basic on Copper in Citric AcidJ.L. Polo0E. Cano1P. Pinilla2J.M. Bastidas3 School of Industrial Engineering, University of Castilla-La Mancha, Avda. Carlos III s/n, 45071 Toledo, Spain CENIM-National Centre for Metallurgical Research (CSIC), Avda. Gregorio del Amo 8, 28040 Madrid, Spain School of Naval Engineering, Polytechnic University of Madrid, Avda. Arco del Triunfo s/n, 28040 Madrid, Spain CENIM-National Centre for Metallurgical Research (CSIC), Avda. Gregorio del Amo 8, 28040 Madrid, SpainThe adsorption of Fuchsin Basic (FB) on copper surfaces in citric acid solutions whose concentrations ranged from 0.001 to 0.1 M was investigated using gravimetric measurements. The concentrations of FB studied ranged from 1 × 10 −5 to 1 × 10 −1 M with adsorption experiments being conducted at temperatures from 298 K to 328 K. The adsorption mechanism is discussed in terms of the applicability of the conventional Frumkin, Bockris–Swinkels and Kastening–Holleck isotherms, amongst others. The best fit was obtained using the Frumkin isotherm model. A thermodynamic/kinetic model of adsorption was also fitted.https://doi.org/10.1260/026361702321705294
spellingShingle J.L. Polo
E. Cano
P. Pinilla
J.M. Bastidas
Adsorption of Fuchsin Basic on Copper in Citric Acid
Adsorption Science & Technology
title Adsorption of Fuchsin Basic on Copper in Citric Acid
title_full Adsorption of Fuchsin Basic on Copper in Citric Acid
title_fullStr Adsorption of Fuchsin Basic on Copper in Citric Acid
title_full_unstemmed Adsorption of Fuchsin Basic on Copper in Citric Acid
title_short Adsorption of Fuchsin Basic on Copper in Citric Acid
title_sort adsorption of fuchsin basic on copper in citric acid
url https://doi.org/10.1260/026361702321705294
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AT ecano adsorptionoffuchsinbasiconcopperincitricacid
AT ppinilla adsorptionoffuchsinbasiconcopperincitricacid
AT jmbastidas adsorptionoffuchsinbasiconcopperincitricacid