Determination of the chemical composition of magnesium alloys by the atomic emission spectrometry with inductively coupled plasma

Dvoretskov R.M., Uridiya Z.P., Karachevtsev F.N., Zagvozdkina T.N.
UDC
543.6
DOI
10.18577/2307-6046-2019-0-12-88-98
Article PDF (Russian) (1.05 MB)
How to cite
Dvoretskov R.M., Uridiya Z.P., Karachevtsev F.N., Zagvozdkina T.N. Determination of the chemical composition of magnesium alloys by the atomic emission spectrometry with inductively coupled plasma // Proceedings of VIAM. 2019. No. 12. DOI: 10.18577/2307-6046-2019-0-12-88-98. URL: https://test.viam.ru/en/journal/2019/12/10
Keywords
analysis technique, magnesium alloys, atomic emission spectrometry, inductively coupled plasma.
Abstract

Analysis technique is proposed for determining alloying elements (Al, Mn, Zn, In, Cd, Li, Bi, Zr, Nb) by atomic emission spectrometry with inductively coupled plasma in magnesium alloys. Analytical lines of elements free from significant spectral overlays were selected. The limits of the determination of elements are estimated. The efficiency of using the spectral lines of scandium, rhodium, and barium as elements for internal standardization under conditions of changing plasma power, argon spray flow, and solution feed rate into the spray chamber is studied. Barium is selected as the preferable internal standard. The metrological characteristics of the method using model solutions were evaluated. The correctness of the developed method was verified using standard samples of magnesium alloys and the «entered-found» way.

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