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Vol 196
Pages:
347
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RUS

Microplasma analytical sensor for gas mixtures diagnostics

Authors:
A. S. Mustafaev1
A. B. Tsyganov2
About authors
  • 1 — Saint Petersburg State Mining University
  • 2 — Saint Petersburg State Mining University
Date submitted:
2011-08-10
Date accepted:
2011-10-03
Date published:
2012-05-22

Abstract

Theoretical consideration of collision electron spectroscopy (CES) for gaseous media analysis and experimental results on CES detector are presented. It is demonstrated that a diffusion path confinement for characteristic electrons provides a  possibility to measure electrons energy distribution function and to find characteristic spectra of species at high (up to atmospheric) gas pressure. Simple micro-plasma CES detector of two plane parallel electrode configuration with  current-voltage measurement in afterglow of helium glow discharge may be designed to operate at a high gas pressure up to atmospheric one. Experimental electron energy spectra of pair He metastables collisions in dependence of interelectrode gap are discussed.

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References

  1. Заявка на изобретение № 2009143641 РФ от 26.11.2009. Способ определения состава газовых смесей и ионизационный детектор для анализа примесей в газах / А.А.Кудрявцев, А.Б.Цыганов, А.С.Чирцов.
  2. Пат. РФ 2217739 Способ анализа газов и ионизационный детектор для его осуществления / А.А.Кудрявцев, А.Б.Цыганов. Опубл. 27.11.2003.
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  7. Raizer Yu.P. Gas discharge physics. Springer, 1991.
  8. Sheverev V.A., Khromov N.A., Kojiro D.R. Penning ionization electron spectroscopy in glow discharge: Another dimension for gas chromatography detectors // Anal. Chem. 2002. Vol.74.
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