caa a22 4500 477051286 CHVBK 20180405111340.0 cr unu---uuuuu 170330e19960501xx s 000 0 eng 10.1007/BF01021971 doi (NATIONALLICENCE)springer-10.1007/BF01021971 Electrochemical investigation of Ni−P autocatalytic deposition in ammoniacal solutions [Elektronische Daten] [M. Touhami, M. Cherkaoui, A. Srhiri, A. Bachir, E. Chassaing] The kinetics of Ni−P autocatalytic deposition in ammoniacal solutions was investigated by means of cyclic voltammetry and electrochemical impedance spectroscopy. The effect of the solution constituents (hypophosphite, nickel salt and pH) was examined. Strong interactions between the cathodic and anodic processes occur. The metal discharge is enhanced by the oxidation of hypophosphite, which is the predominant reaction in this process. The nickel deposition also affects the anodic process. With increasing pH the nickel discharge is progressively inhibited due to the change in the nature of the Ni(II) complexes. In contrast, in the presence of Ni(II) species, due to the opposite effect of the two partial processes, the plating rate increases for pH values up to 9 and then decreases for higher pH values. Chapman & Hall, 1996 Touhami M. Faculty of Science, Ibn Tofail University, Kenitra, Morocco aut Cherkaoui M. Faculty of Science, Ibn Tofail University, Kenitra, Morocco aut Srhiri A. Faculty of Science, Ibn Tofail University, Kenitra, Morocco aut Bachir A. Faculty of Science, Ibn Tofail University, Kenitra, Morocco aut Chassaing E. C.E.C.M-CNRS, 15 rue G. Urbain, 94407, Vitry-sur-Seine Cedex, France aut Journal of Applied Electrochemistry Kluwer Academic Publishers 26/5(1996-05-01), 487-491 0021-891X 26:5<487 1996 26 10800 https://doi.org/10.1007/BF01021971 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF01021971 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Touhami M. Faculty of Science, Ibn Tofail University, Kenitra, Morocco aut NATIONALLICENCE 700 1- Cherkaoui M. Faculty of Science, Ibn Tofail University, Kenitra, Morocco aut NATIONALLICENCE 700 1- Srhiri A. Faculty of Science, Ibn Tofail University, Kenitra, Morocco aut NATIONALLICENCE 700 1- Bachir A. Faculty of Science, Ibn Tofail University, Kenitra, Morocco aut NATIONALLICENCE 700 1- Chassaing E. C.E.C.M-CNRS, 15 rue G. Urbain, 94407, Vitry-sur-Seine Cedex, France aut NATIONALLICENCE 773 0- Journal of Applied Electrochemistry Kluwer Academic Publishers 26/5(1996-05-01), 487-491 0021-891X 26:5<487 1996 26 10800 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer