ISSN print edition: 0366-6352
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Determination of the Surface Activity of Powders by Electrochemical Methods

M. Gálová, K. Markušová, L. Lux, I. Žežula, and R. Oriňáková

Department of Physical and Analytical Chemistry, Facility of Natural Sciences, P J. Šafárik University, SK-O4I 67 Košice


Abstract: Two electrochemical methods are suggested in order to control the surface reactivity of metallic powder particles with regard to the following electrolytic plating. It is the determination of both the open circuit potential and anodic dissolution current of a specially constructed carbon paste electrode containing the investigated powder particles. Iron powder of different granulometric classes activated by grinding, annealing, and chemical reduction was used to prove the suitability of the chosen methods. It was found that both experimental parameters reflect the state of the surface.

Full paper in Portable Document Format: 511a5.pdf


Chemical Papers 51 (1) 5–10 (1997)

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