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Chromatographia

, 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
Originals

Summary

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).

Keywords

Chromatography Hydrocarbon Liquid Phasis Cyclohexenes Linear Dependence 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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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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