Determination of calcium as a dopant in the casting of magnesium alloys of the Mg–Al–Zn–Mn and spectrophotometric atomic emission techniques

Titov V.I., Dvoretskov R.M.
UDC
669.018.28:669.721.5
DOI
10.18577/2307-6046-2017-0-4-10-10
Article PDF (Russian) (597.27 KB)
How to cite
Titov V.I., Dvoretskov R.M. Determination of calcium as a dopant in the casting of magnesium alloys of the Mg–Al–Zn–Mn and spectrophotometric atomic emission techniques // Proceedings of VIAM. 2017. No. 4. DOI: 10.18577/2307-6046-2017-0-4-10-10. URL: https://test.viam.ru/en/journal/2017/4/10
Keywords
magnesium alloys of Mg–Al–Zn–Mn, calcium, spectrophotometry, atomic emission spectrometry with inductively coupled plasma.
Abstract

The result of this work it is shown that the photometric determination of calcium main alloying elements (Al, Zn, Mn), present in the casting of magnesium alloys of the Mg–Al–Zn–Mn, no effect on the magnitude of optical density for determining the content of calcium in the alloy. To obtain reproducible results, the experiment should be carried out in a quartz dish.

Determination of calcium in magnesium alloys by atomic-emission spectrometry with inductively coupled plasma and simultaneously allows to define other alloying elements comprising the alloy. It was found that they do not adversely affect the quantitative determination of calcium. For the studied calcium concentration range selected the most sensitive and the least susceptible to interference of analytic line Ca.

To control the correctness and reliability of the determination by analyzing the results of calcium magnesium alloys used in model solutions. The content items are within tolerances.

Procedures for photometric and atomic-emission determination of calcium in casting magnesium alloys of the Mg–Al–Zn–Mn.

The work is executed within the implementation of the complex scientific direction 2.1. «Fundamental Oriented Research» («The strategic directions of development of materials and technologies of their processing for the period till 2030»)

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