Zobrazeno 1 - 10
of 61
pro vyhledávání: '"N.A. Kolpakova"'
Autor:
A. V. Egoshina, N.A. Kolpakova
Publikováno v:
Journal of Analytical Chemistry. 76:1002-1006
Electrooxidation of components from different phase structures obtained by combined electrodeposition of lead and platinum on the surface of a graphite electrode (GE) was investigated. Electrodeposition of precipitate components on the GE surface was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2626e814b602cb87367f96341644b3a9
https://doi.org/10.1134/s1061934821080086
https://doi.org/10.1134/s1061934821080086
Publikováno v:
Journal of Solid State Electrochemistry. 22:3717-3723
The phase structure of palladium–bismuth binary electrolytic deposit was studied. The electrodeposition of deposit components on the surface of a graphite electrode (GE) was carried out in situ. On current–voltage curves, the peak of bismuth elec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a6d0c3a855ff2d565803392b2865646
https://doi.org/10.1007/s10008-018-4084-y
https://doi.org/10.1007/s10008-018-4084-y
Publikováno v:
Journal of Solid State Electrochemistry. 22:1933-1939
The process of electrooxidation of a lead-rhodium binary deposit on a graphite electrode has been studied. The anodic voltammetric curves show the peak of electrooxidation of lead (− 0.52 V), the peak of electrooxidation of hydrogen sorbed on the r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::118caf491a68710e3ebfa5334c32b889
https://doi.org/10.1007/s10008-018-3898-y
https://doi.org/10.1007/s10008-018-3898-y
Publikováno v:
Journal of Analytical Chemistry. 72:1251-1254
The effect of hydrogen on the electrooxidation current of a palladium–hydrogen precipitate is studied. It is shown that the UV irradiation of the solution changes the mechanism of the formation of molecular hydrogen in the electrochemical depositio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bcf103eca9ab488ef8b13db277fcbaf7
https://doi.org/10.1134/s1061934817100070
https://doi.org/10.1134/s1061934817100070
Publikováno v:
Procedia Chemistry. 15:335-341
The paper considers the possibility of determining platinum metals in mineral raw materials by stripping voltammetry on a graphite electrode modified by metals. Stripping voltammetry method is characterized by low determination limit, wide intervals
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b7e340724135b95021fbf4a7a66f8af
Publikováno v:
Advanced Materials Research. 1040:376-381
Electrolytic deposit of indium, platinum and platinum-indium alloy on the surface of graphite electrodes has been studied using the scanning electron microscopy and the stripping voltammetry. The scanning electron microscopy method has revealed that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c8d8f27feb09c53009b13fd45640bcf
https://doi.org/10.4028/www.scientific.net/amr.1040.376
https://doi.org/10.4028/www.scientific.net/amr.1040.376
Publikováno v:
Procedia Chemistry. 10:437-440
A method for quantitative determination of gold, lead, nickel, cobalt in a range of concentrations from mg/g to ng/g was proposed. Method consists of annealing, treatment with acids followed by extraction. Determination of nickel, cobalt and lead was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c3f28da18f050c552c2e0859f084fac
Publikováno v:
Procedia Chemistry. 10:92-96
This paper describes the method of assessing the composition of the intermetallic compounds in nanoscale electrolytic deposits. The formula was developed for calculating the deflection potential in the case of selective electrooxidation electronegati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c11870d835d0fbd51f34f2dc023e8709
https://doi.org/10.1016/j.proche.2014.10.017
https://doi.org/10.1016/j.proche.2014.10.017
Autor:
E.M. Ustinova, N.A. Kolpakova
Publikováno v:
Procedia Chemistry. 10:271-274
It is shown that platinum can be determined by anodic stripping voltammetry at the peak of selective electrooxidation of copper from intermetallic phase with platinum of Cu3Pt composition. The composition of intermetallic copper-platinum phase formed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c181e60a90b8e299d6b36a0cbf2adb8
Autor:
Rodion O. Medvedev, Zhamilya K. Sabitova, Victor I. Sachkov, Vladislav V. Orlov, N.A. Kolpakova, R A Nefedov
Publikováno v:
Minerals
Volume 9
Issue 2
Minerals. 2019. Vol. 9, № 2. P. 78 (1-13)
Minerals, Vol 9, Iss 2, p 78 (2019)
Volume 9
Issue 2
Minerals. 2019. Vol. 9, № 2. P. 78 (1-13)
Minerals, Vol 9, Iss 2, p 78 (2019)
Techniques of stripping voltammetry (SV) determination of silver and gold in pyrites and carbonaceous matter are developed. The problem of quantitative transfer of the analytes into the solution is solved. For this purpose, the ore matrix of carbonac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed5dc778b33b2e2a21ef120201d20ef2
https://doi.org/10.3390/min9020078
https://doi.org/10.3390/min9020078