2006
DOI: 10.1590/s0103-50532006000700022
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A microgravimetric study of simultaneous adsorption of anions and copper on polycrystalline Pt surfaces

Abstract: A deposição em subtensão de Cu foi estudada em quatro diferentes eletrólitos ácidos, por meio de medidas simultâneas de voltametria cíclica e microgravimetria, usando uma microbalança eletroquímica de cristal de quartzo. A influência dos ânions na formação da monocamada de Cu foi determinada. Entre os três picos de dessorção observados, encontrou-se que o primeiro é muito sensível à natureza do anion presente em solução. Este comportamento foi relacionado com o baixo recobrimento da superfície da Pt com os ad-… Show more

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Cited by 6 publications
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“…A cubic baseline was subtracted to the voltammogram part (positive scan) between 0 and 700 mV. The Igor Pro (Wavemetrics,Lake Oswego, OR, USA) software was employed to fit the two peaks using Gaussians [27] that well described their shapes. The peak positions and heights were optimally fitted by minimising the chi-square, as described in the program package.…”
Section: Electrode Preparation and Electrochemical Apparatusmentioning
confidence: 99%
“…A cubic baseline was subtracted to the voltammogram part (positive scan) between 0 and 700 mV. The Igor Pro (Wavemetrics,Lake Oswego, OR, USA) software was employed to fit the two peaks using Gaussians [27] that well described their shapes. The peak positions and heights were optimally fitted by minimising the chi-square, as described in the program package.…”
Section: Electrode Preparation and Electrochemical Apparatusmentioning
confidence: 99%