Inverse gas chromatography for identification of poly(ethylene glycol adipate) and tripropionitrilamine on the surface of polymeric sorbent

  • F. Kh. Kudasheva
  • V. Yu. Guskov
  • A. G. Ganieva
Separation Processes at the Interfaces. Chromatography


Identification of the adsorption of poly(ethylene glycol adipate) (PEGA) and tripropionitrilamine (TPA) on styrene-divinylbenzene porous polymer was performed with the use of the inverse gas-chromatography method in finite concentration. PEGA and TPA were applied in quantities ω = 10−6−10−3 mass fractions. As test sorbates n-propanol, n-butanol, and n-hexane used. The adsorption isotherm and the values of specific retention volumes were calculated via the Glueckauf method. It was found that the dependence of the retention volumes on the sorbate concentration in gas phase of the studied samples is well approximated by a power function corresponding to the Freundlich isotherm. The possibility of detecting PEGA and TPA on the surface of sorbent through the A coefficients of a power function was shown, and a linear dependence between the A values and negative logarithm of ω was also found, making it possible to quantitatively determine TPA and PEGA on the surface of a sorbent.


Sorbate Retention Volume Polymeric Sorbent Sorbate Concentration Specific Retention Volume 
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Copyright information

© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  • F. Kh. Kudasheva
    • 1
  • V. Yu. Guskov
    • 1
  • A. G. Ganieva
    • 1
  1. 1.Bashkir State UniversityUfa, BashkortostanRussia

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