Physics
Scientific paper
Dec 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974zalab..40..635n&link_type=abstract
(Zavodskaia Laboratoriia, vol. 40, June 1974, p. 635-639.) Industrial Laboratory, vol. 40, no. 6, Dec. 1974, p. 783-786. Transl
Physics
Chromatography, Impurities, Microanalysis, Nickel Alloys, Polarography, Analytical Chemistry, Desorption, Ion Exchange Resins, Trace Contaminants
Scientific paper
The study attempts to develop a highly sensitive technique of analyzing nickel and nickel alloys for the highest possible number of microimpurities in one weighed sample. The devised procedure combines the separation of microimpurity by ion-exchange chromatography with determination by inversion voltammetry employing a mercury-film or a mercury-plated graphite electrode. Polarization curves obtained on both electrodes for the electrooxidation of Zn, Cd, and Pb in 1M potassium chloride solution are shown. Leaching curves for Pb, Cd, and Bi after the chromatographic separation of each of these metals on anion exchangers are included. Tables list results for (1) the determination of Zn, Cd, Pb, and Bi in synthetic solutions, and (2) the determination of microimpurities in nickel and nickel alloys.
Dolgopolova G. M.
Neiman Ia. E.
Nemodruk A. A.
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