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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/103/03/0401-0404

    • Keywords

       

      SO2; photoacoustics; CO2-laser; IR spectroscopy

    • Abstract

       

      Spectra of coincidence of SO2 IR absorption with CO2-laser emission at pressure of 50,100 and 450 Torr were recorded by the use of a photoacoustic detection method in the whole range of CO2-laser emission. The spectra show that SO2 absorbs many CO2-laser lines in the range 1084–1071 cm−1 with the strongest absorption at 1082.29cm−1, laser line R(26). The intensities of all absorptions rise with increasing pressure, but some absorptions change their relative intensity with respect to one another. In addition, the fine structure of line spectra, characteristic of lower pressure samples, disappear as pressure is increased.

    • Author Affiliations

       

      Ljubica T Petkovska1 Bojan B Radak1 Šćepan S Miljanić1 Raymond T Bailey2 Francis R Cruickshank2 David Pugh2

      1. Boris Kidrič Institute of Nuclear Science - Vinča, POB 522, Belgrade - 1101, Yugoslavia
      2. Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow - G1 1XL, Scotland, UK

    • Dates

       
      Published
      March 1991

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