Cementation of Ni2+ ions from acidic sulfate solutions onto a rotating zinc disc
Identifieur interne : 000344 ( France/Analysis ); précédent : 000343; suivant : 000345Cementation of Ni2+ ions from acidic sulfate solutions onto a rotating zinc disc
Auteurs : L. Makhloufi [Algérie] ; B. Saidani [Algérie] ; C. Cachet [France] ; R. Wiart [France]Source :
- Electrochimica Acta [ 0013-4686 ] ; 1998.
Abstract
During cementation of Ni2+ ions onto a zinc electrode, the time-dependence of the concentration of Ni2+ ions was studied by atomic absorption spectroscopy. The electrode surface was analyzed by S.E.M. and the surface area was measured by electrochemical impedance spectroscopy. The cementation is shown to be a first-order reaction which is diffusion-controlled. The reaction rate is strongly affected by the increase in the electrode surface area with increasing cementation time.
Url:
DOI: 10.1016/S0013-4686(98)00006-1
Affiliations:
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The electrode surface was analyzed by S.E.M. and the surface area was measured by electrochemical impedance spectroscopy. The cementation is shown to be a first-order reaction which is diffusion-controlled. The reaction rate is strongly affected by the increase in the electrode surface area with increasing cementation time.</div></front></TEI><affiliations><list><country><li>Algérie</li><li>France</li></country><region><li>Île-de-France</li></region><settlement><li>Paris</li></settlement><orgName><li>Université Pierre-et-Marie-Curie</li></orgName></list><tree><country name="Algérie"><noRegion><name sortKey="Makhloufi, L" sort="Makhloufi, L" uniqKey="Makhloufi L" first="L." last="Makhloufi">L. Makhloufi</name></noRegion><name sortKey="Saidani, B" sort="Saidani, B" uniqKey="Saidani B" first="B." last="Saidani">B. Saidani</name></country><country name="France"><region name="Île-de-France"><name sortKey="Cachet, C" sort="Cachet, C" uniqKey="Cachet C" first="C." last="Cachet">C. 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