Prediction of retention indices of thiols and sulfides under different conditions of capillary gas chromatography.

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  • MORISHITA Fujio
    Department of Industrial Chemistry, Faculty of Engineering, Kyoto University
  • MURAKITA Hiroyuki
    Department of Industrial Chemistry, Faculty of Engineering, Kyoto University
  • KOJIMA Tsugio
    Department of Industrial Chemistry, Faculty of Engineering, Kyoto University

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Other Title
  • キャピラリーガスクロマトグラフィーの異なる分離条件下でのチオールとスルフィドの保持指標の予測
  • キャピラリー ガス クロマトグラフィー ノ コトナル ブンリ ジョウケンカ デ

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Abstract

A method has been proposed to predict the retention indices(RI) of the title compounds under various separation conditions. When the presence of thiols or sulfides was confirmed by the subtraction or the shift of peaks, respectively, by means of the tandem combination of a post column reactor coated with silver nitrate and a flame photometric detector, a certain thiol or sulfide was chosen as the standard compound. The retention characteristics of the stationary phase for the particular type of compound were estimated from the RI of the standard. The RI of these types of compound could be predicted accurately by using the observed RI value of the standard and the RI values of the compound of interest on the couple of the stationary phases (polyethylene glycol 20M at 80°C and silicone oil DC-550 at 70°C). The contribution of the increments due to the atomic groups was added in calculation of the latter RI values.

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 34 (12), 800-802, 1985

    The Japan Society for Analytical Chemistry

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