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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 1132.1140.71119.11133.51124.
ReferenceMorishita, Okano, et al., 1980Saeed, Redant, et al., 1979Saeed, Redant, et al., 1979Saeed, Redant, et al., 1979Kepner, Ellison, et al., 1974
Column type CapillaryCapillaryCapillaryCapillary
Active phase Carbowax 20MCarbowax 20MCarbowax 20MCarbowax 20M + Igepal (20:1)
Column length (m) 150.15.24 152.
Carrier gas  N2 He
Substrate    GAS PAK F
Column diameter (mm) 0.750.5 0.8
Phase thickness (mum)     
Temperature (C)
I 1120.1158.1103.41120.
ReferenceMalingré and Maarse, 1974Hedin, Thopson, et al., 1972Andersen and Syrdal, 1970Sakai, Maarse, et al., 1967


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]

Hedin, Thopson, et al., 1972
Hedin, P.A.; Thopson, A.C.; Gueldner, R.C.; Minyard, J.P., Volatile constituents of the boll weevil, J. Insect. Physiol., 1972, 18, 1, 79-86, https://doi.org/10.1016/0022-1910(72)90066-2 . [all data]

Andersen and Syrdal, 1970
Andersen, N.H.; Syrdal, D.D., Terpenes and sesquiterpenes of chamaecyparis nootkatensis leaf oil, Phytochemistry, 1970, 9, 6, 1325-1340, https://doi.org/10.1016/S0031-9422(00)85326-1 . [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]


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