Determination of zirconium in ferrous alloys

Titov V.I., Goundobin N.V., Pilipenko L.V.
UDC
669.14
DOI
10.18577/2307-6046-2016-0-7-4-4
Article PDF (Russian) (457.39 KB)
How to cite
Titov V.I., Goundobin N.V., Pilipenko L.V. Determination of zirconium in ferrous alloys // Proceedings of VIAM. 2016. No. 7. DOI: 10.18577/2307-6046-2016-0-7-4-4. URL: https://test.viam.ru/en/journal/2016/7/4
Keywords
methods, high strength steel, reagents, xylenol orange, phenylarsonic acid.
Abstract

This research paper provides with a methodology to develop methods for zirconium determination in high complex alloyed steels of aerospace purposes. It analyzes the subject through various literary sources. Summarizing the obtained data and through the performed work it is established that the determination of zirconium with a reagent Arsenazo III is possible if not more than 0,5% niobium and 1,0% tungsten are presented in the steels. Higher amounts of these elements lead to a distortion of obtained results in determining the content of zirconium. In this technique, the hydroxylamine should be used as a reducing agent for iron as the most effective one. It is found that the reagent xylenol orange is the most sensitive and selective in the zirconium photometric determination method in steels with high contents of niobium and tungsten. The process of zirconium alloy quantitative separation from main alloying elements using phenylarsonic acid has to be the previous operation to photome

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