Microwave probe preparation of nickel alloys for determination of alloying elements using ICP-AES method

Karachevtsev F.N., Dvoretskov R.M., Zagvozdkina T.N.
UDC
669.245
DOI
10.18577/2307-6046-2014-0-11-11-11
Article PDF (Russian) (581.35 KB)
How to cite
Karachevtsev F.N., Dvoretskov R.M., Zagvozdkina T.N. Microwave probe preparation of nickel alloys for determination of alloying elements using ICP-AES method // Proceedings of VIAM. 2014. No. 11. DOI: 10.18577/2307-6046-2014-0-11-11-11. URL: https://test.viam.ru/en/journal/2014/11/11
Abstract

A large amount of alloying elements such as Al, Ti, Cr, Co, Zr, Nb, Mo, Ru, Ta, W, Re may be in a composition of heat-resistant nickel alloys simultaneously. However, till the last time there were no techniques for simultaneous determination of them (without an application of similar by composition standard samples).To determine the alloying elements in nickel alloys a method of atomic emission spectroscopy with inductively coupled plasma has been proposed (ICP-AES). The technique of microwave sample preparation of nickel alloys was worked out for samples of different composition includ-ing ruthenium containing ones. Compositions of dissolution mixtures and parameters of microwave digestion were chosen. Measurement techniques of mass fraction of Al, Ti, Cr, Co, Nb, Mo, Ru, Ta, W, Re in nickel alloys by atomic emission spectrometry with inductively coupled plasma were de-veloped and verified. Limits of relative measurement error for elements mass content from 0,1 to 20% don't exceed 4

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