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Cyclohexene, 1-methyl-4-(1-methylethylidene)-

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Kovats' RI, polar column, isothermal

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase PEG-20MCarbowax 20MCarbowax 20MCarbowax 20MCarbowax 20M
Column length (m) 75.   152.
Carrier gas      
Column diameter (mm) 0.25   0.8
Phase thickness (mum) 
Temperature (C)
I 1289.1300.1286.31296.11290.
ReferenceMorishita, Okano, et al., 1980Saeed, Redant, et al., 1979Saeed, Redant, et al., 1979Saeed, Redant, et al., 1979Kepner, Ellison, et al., 1974
Column type CapillaryCapillaryPacked
Active phase Carbowax 20MCarbowax 20M + Igepal (20:1)Carbowax 4000
Column length (m)
Carrier gas  HeN2
Substrate  GAS PAK FGas Chrom P (60-80 mesh)
Column diameter (mm) 0.750.8 
Phase thickness (mum)    
Temperature (C) 70.75.130.
I 1289.1279.1317.
ReferenceMalingré and Maarse, 1974Sakai, Maarse, et al., 1967Minyard, Tumlinson, et al., 1965


Go To: Top, Kovats' RI, polar column, isothermal, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Morishita, Okano, et al., 1980
Morishita, F.; Okano, T.; Kojima, T., Retention indices of monocyclic monoterpene hydrocarbons, Bunseki Kagaku, 1980, 29, 1, 48-53, https://doi.org/10.2116/bunsekikagaku.29.48 . [all data]

Saeed, Redant, et al., 1979
Saeed, T.; Redant, G.; Sandra, P., Kovats Indices of Monoterpene Hydrocarbons on Glass Capillary Columns, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1979, 2, 2, 75-76, https://doi.org/10.1002/jhrc.1240020208 . [all data]

Kepner, Ellison, et al., 1974
Kepner, R.E.; Ellison, B.O.; Breckenridge, M.; Connolly, G.; Madden, S.C.; Muller, C.J., Volatile terpenes in California Bay foliage. Changes in composition during maturation, J. Agric. Food Chem., 1974, 22, 5, 781-784, https://doi.org/10.1021/jf60195a027 . [all data]

Malingré and Maarse, 1974
Malingré, T.M.; Maarse, H., Composition of the essential oil of Mentha aquatica, Phytochemistry, 1974, 13, 8, 1531-1535, https://doi.org/10.1016/0031-9422(74)80322-5 . [all data]

Sakai, Maarse, et al., 1967
Sakai, T.; Maarse, H.; Kepner, R.E.; Jennings, W.G.; Longhurst, W.M., Volatile components of Douglas fir needles, J. Agric. Food Chem., 1967, 15, 6, 1070-1072, https://doi.org/10.1021/jf60154a027 . [all data]

Minyard, Tumlinson, et al., 1965
Minyard, J.P.; Tumlinson, J.H.; Hedin, P.A.; Thompson, A.C., Constituents of the cotton bud. Terpene hydrocarbons, J. Agric. Food Chem., 1965, 13, 6, 599-602, https://doi.org/10.1021/jf60142a034 . [all data]


Go To: Top, Kovats' RI, polar column, isothermal, References