[Kovove materialy - Metallic materials]
    Sun - April 02, 2023 - 04:16 No. of hits : 1438765 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 54 (2016), Issue 5

Magnesium underpotential deposition from nitrate melts and alloy formation with platinum substrate
CVETKOVIC, V. S., JOVI∆EVI∆, J. N., BJELICA, L. J.
vol. 54 (2016), no. 5, pp. 321 - 330
DOI: 10.4149/km_2016_5_321

Abstract
This paper investigates magnesium underpotential deposition on platinum electrodes from magnesium nitrate-ammonium nitrate melts at temperatures ranging from 400 to 500 K. Electrochemical techniques used were linear sweep voltammetry and potential step. Electrode surfaces were studied by Scanning electron microscopy (SEM), Atomic force microscopy (AFM), Energy dispersive spectrometry (EDS), energy dispersive X-Ray spectroscopy (EDX) and X-Ray diffraction (XRD). In the underpotential range studied, it was found that magnesium underpotential deposition took part simultaneously with reduction processes of nitrate and nitrite. EDS and XRD measurements showed clear evidence of MgPt3, Mg3Pt alloys being formed.

Key words
magnesium/platinum alloys, underpotential deposition, magnesium nitrate-ammonium nitrate melts, microscopy and microanalysis techniques

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Full title of this journal is bilingual: Kovovť materiŠly - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.


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