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Inorganic Materials

, Volume 54, Issue 14, pp 1430–1434 | Cite as

ICP-AES Analysis of Secondary Tungsten-Containing Raw Materials for Production of Hard Alloys

  • A. V. VyacheslavovEmail author
  • V. B. Bichaev
  • A. D. Titova
  • D. S. Rybin
  • T. N. Ermolaeva
ANALYSIS OF SUBSTANCES
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Abstract

A method for ICP-AES determination of Ti, V, Cr, Fe, Co, Ni, Cu, Zn, and Ta in recycled cemented tungsten carbide is developed including preliminary microwave sample decomposition in a steam pressure vessel (autoclave). We have specified the composition of the reaction mixture for sample dissolution and optimized the parameters of microwave heating in the autoclave. Correctness of the results is proved by the method of sample weight variation and spike tests. The results of analysis are compared with the data obtained by standardless method of X-ray fluorescence spectrometry. The technique is characterized by good reproducibility and allows significant reduction of the analysis time owing to the combination of the multielement method of ICP-AES and microwave sample preparation.

Keywords:

secondary tungsten-containing raw recycle cemented tungsten carbides cemented tungsten carbide microwave sample preparation ICP-AES (inductively coupled plasma atomic emission spectrometry) 
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Notes

ACKNOWLEDGMENTS

This work was carried out using the equipment of the Center for Collective Use of Scientific Equipment Composition, Structure, and Properties of Structural and Functional Materials of the National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey.

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Copyright information

© Pleiades Publishing, Inc. 2018

Authors and Affiliations

  • A. V. Vyacheslavov
    • 1
    Email author
  • V. B. Bichaev
    • 1
  • A. D. Titova
    • 1
  • D. S. Rybin
    • 2
  • T. N. Ermolaeva
    • 3
  1. 1.National Research Center Kurchatov Institute—Central Research Institute of Structural Materials PrometeySt. PetersburgRussia
  2. 2.Virial Ltd.St. PetersburgRussia
  3. 3.Lipetsk State Technical UniversityLipetskRussia

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