, Volume 10, Issue 3, pp 115–122 | Cite as

Capillary gas chromatography of monosubstituted cyclopentenes and cyclohexenes

  • S. Rang
  • A. Orav
  • K. Kunigas
  • O. Eisen


Regularities in the variation of retention indices (I) and index increments (δI/°C, H, ΔI) of monosubstituted cyclopentenes and cyclohexenes with molecular structure on various liquid phases are discussed. An equation for the linear dependence of I on the carbon number is given. Differences in gas chromatographic characteristics between 1- and 3-isomers are more pronounced in the n-alkylcyclopentene series. In the n-alkylcyclohexene series extension of the side chain and increase of column temperature lead to the inversion of the elution order of 1-and 3-isomers. The temperature increments of I for cyclenes are markedly greater than those for open chain hydrocarbons (n-alkenes, n-alkynes).


Chromatography Hydrocarbon Liquid Phasis Cyclohexenes Linear Dependence 
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Copyright information

© Friedr. Vieweg & Sohn, Verlagschesellschaft mbH 1977

Authors and Affiliations

  • S. Rang
    • 1
  • A. Orav
    • 1
  • K. Kunigas
    • 1
  • O. Eisen
    • 1
  1. 1.Institute of Chemistry of the Estonian SSR Academy of SciencesTallinnSoviet Union

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