Russian Journal of Physical Chemistry A

, Volume 92, Issue 5, pp 1018–1024 | Cite as

Capillary Columns with a Sorbent Based on Functionalized Poly(1-Trimethylsilyl-1-Propyne) for the Elution Analysis of Natural Gas

Physical Chemistry of Separation Processes. Chromatography

Abstract

The chromatographic properties of capillary columns prepared using functionalized poly(1- trimethylsilyl-1-propyne) (PTMSP) are evaluated and compared with the performance of a commercial column with divinylbenzene polymer sorbent. The loading capacity of a PTMSP column with dimensions of 30 m × 0.53 mm × 0.8 μm is shown to be about 2.5 times higher than that of a divinylbenzene polymer column with a diameter of 0.32 mm and a film thickness of 10 μm. The increased value of the background current for PTMSP columns at 220°C is explained by the presence of non-polar bulky substituents in the polymer chain. Differences in the order of elution are found for the following pairs of compounds: acetylene-ethylene; ethane–water; butene-1–isobutane; and sulfur dioxide–carbonyl sulfide. On a column with the functionalized PTMC, analysis of a mixture composition close to natural gas is found to be complete within 27 min.

Keywords

functionalized poly(1-trimethylsilyl-1-propyne) hydrocarbons inorganic sulfur-containing gases mercaptans 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • E. Yu. Yakovleva
    • 1
    • 2
  • Yu. V. Patrushev
    • 1
    • 2
  • Z. P. Pai
    • 1
  1. 1.Boreskov Institute of Catalysis, Siberian BranchRussian Academy of SciencesNovosibirskRussia
  2. 2.Novosibirsk State UniversityNovosibirskRussia

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