Determination of rare earth metals in aluminum alloys by atomic emission spectrometry with inductively coupled plasma

Karachevtsev F.N., Dvoretskov R.M., Nikolaev E.V.
UDC
543.6
DOI
10.18577/2307-6046-2022-0-4-96-107
Article PDF (Russian) (863.03 KB)
How to cite
Karachevtsev F.N., Dvoretskov R.M., Nikolaev E.V. Determination of rare earth metals in aluminum alloys by atomic emission spectrometry with inductively coupled plasma // Proceedings of VIAM. 2022. No. 4. DOI: 10.18577/2307-6046-2022-0-4-96-107. URL: https://test.viam.ru/en/journal/2022/4/10
Keywords
measurement technique, aluminum alloys, atomic emission spectrometry, inductively coupled plasma, scandium, yttrium, cerium, lanthanum, neodymium, praseodymium
Abstract

A method is proposed for the determination of scandium, yttrium, cerium, lanthanum, neodymium, and praseodymium by inductively coupled plasma atomic emission spectrometry in aluminum alloys. Analytical REM lines free from significant spectral overlaps are selected. The selection of the sample preparation method was carried out, namely, dissolution in a mixture of hydrochloric and nitric acids. The accuracy indicator of the developed technique is not more than 4% rel. for the content of rare-earth metals from 0.05 to 6 wt. %, which fully ensures the control of the content of rare-earth metals in products made of aluminum alloys.

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