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New methods for determining the volumetric flow rate in the column and the retention time of the unretained substance in gas chromatography

  • Physical Chemistry of Separation Processes. Chromatography
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Abstract

New methods for calculating the mean volumetric flow rate of the carrier gas and the retention time of the unretained substance in the column under conditions of gas chromatography were proposed. The methods are based on preliminary isothermal calibrations of the flow rate and holdup time for a packed column. A theoretical substantiation of the methods was given. Procedures of plotting calibration dependences for determining the indicated quantities at a desired temperature were described. The calculation results were compared to experimental data obtained by traditional methods. It was demonstrated that the use of calculation methods substantially simplifies the determination of the specific retention volume over a wide temperature range.

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Authors and Affiliations

  1. Samara State University, ul. akademika Pavlova 1, Samara, 443086, Russia

    S. Yu. Kudryashov, Yu. I. Arutyunov & L. A. Onuchak

Authors
  1. S. Yu. Kudryashov
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  2. Yu. I. Arutyunov
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  3. L. A. Onuchak
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Additional information

Original Russian Text © S.Yu. Kudryashov, Yu.I. Arutyunov, L.A. Onuchak, 2007, published in Zhurnal Fizicheskoi Khimii, 2007, Vol. 81, No. 1, pp. 107–112.

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Kudryashov, S.Y., Arutyunov, Y.I. & Onuchak, L.A. New methods for determining the volumetric flow rate in the column and the retention time of the unretained substance in gas chromatography. Russ. J. Phys. Chem. 81, 102–107 (2007). https://doi.org/10.1134/S0036024407010190

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  • DOI: https://doi.org/10.1134/S0036024407010190

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