NickelMaghrebV1, Main, Exploration, bibRecord, 000C93

Cementation of Ni2+ ions from acidic sulfate solutions onto a rotating zinc disc

Identifieur interne : 000C93 ( Main/Exploration ); précédent : 000C92; suivant : 000C94

Cementation 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.

RBID : ISTEX:AE5685E116248F012AA3C72FA52772516F424EA3

Descripteurs français

Pascal (Inist)
- Aire superficielle, Concentration chimique, Cémentation, Diffusion, Elaboration zinc, Electrode, Hydrométallurgie, Impédance, Nickel ion, Vitesse réaction.

English descriptors

KwdEn :
- Carburizing, Chemical concentration, Diffusion, Electrodes, Hydrometallurgy, Impedance, Nickel ion, Reaction rate, Surface area, Zinc production.

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:

https://api.istex.fr/document/AE5685E116248F012AA3C72FA52772516F424EA3/fulltext/pdf

DOI: 10.1016/S0013-4686(98)00006-1

Affiliations:

Le document en format XML

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Serveur d'exploration sur le nickel au Maghreb

Cementation of Ni2+ ions from acidic sulfate solutions onto a rotating zinc disc

Cementation of Ni2+ ions from acidic sulfate solutions onto a rotating zinc disc

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Serveur d'exploration sur le nickel au Maghreb
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