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Kovats' RI, polar column, temperature ramp

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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 DB-WaxDB-WaxInnowaxDB-WaxCarbowax 20M
Column length (m)
Carrier gas H2HeHeHe 
Column diameter (mm) 0.250.320.250.250.32
Phase thickness (mum)
Tstart (C)
Tend (C)
Heat rate (K/min)
Initial hold (min) 
Final hold (min) 15. 10.5. 
I 1518.1490.1491.1493.1518.
ReferenceAvato, Raffo, et al., 2004Lopes, Strobl, et al., 2004Viña and Murillo, 2003Nagarajan, Rao, et al., 2001Vera and Chane-Ming, 1999
Column type CapillaryCapillary
Active phase Carbowax 20MCarbowax 20M
Column length (m) 50.25.
Carrier gas  N2
Column diameter (mm) 0.320.5
Phase thickness (mum) 0.2 
Tstart (C) 60.60.
Tend (C) 260.200.
Heat rate (K/min) 2.5.
Initial hold (min)   
Final hold (min)   
I 1535.1512.
ReferenceVera and Chane-Ming, 1999Mallavarapu, Rao, et al., 1998


Go To: Top, Kovats' RI, polar column, temperature ramp, Notes

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

Avato, Raffo, et al., 2004
Avato, P.; Raffo, F.; Aldouri, N.A.; Vartanian, S.T., Essential oils of varthemia iphionoides from Jordan, Flavour Fragr. J., 2004, 19, 6, 559-561, https://doi.org/10.1002/ffj.1351 . [all data]

Lopes, Strobl, et al., 2004
Lopes, D.; Strobl, H.; Kolodziejczyk, P., 14-Methylpentadecano-15-lactone (Muscolide): a new macrocyclic lactone from the oil of Angelica archangelica L., Chemistry and Biodiversity, 2004, 1, 12, 1880-1887, https://doi.org/10.1002/cbdv.200490144 . [all data]

Viña and Murillo, 2003
Viña, A.; Murillo, E., Essential oil composition from twelve varieties of basil (Ocimum spp) grown in Columbia, J. Braz. Chem. Soc., 2003, 14, 5, 744-749, https://doi.org/10.1590/S0103-50532003000500008 . [all data]

Nagarajan, Rao, et al., 2001
Nagarajan, S.; Rao, L.J.M.; Gurudutt, K.N., Chemical composition of the volatiles of Hemidesmus indicus R. Br., Flavour Fragr. J., 2001, 16, 3, 212-214, https://doi.org/10.1002/ffj.985 . [all data]

Vera and Chane-Ming, 1999
Vera, R.R.; Chane-Ming, J., Chemical composition of the essential oil of marjoram (Origanum majorana L.) from Reunion Island, Food Chem., 1999, 66, 2, 143-145, https://doi.org/10.1016/S0308-8146(98)00018-1 . [all data]

Mallavarapu, Rao, et al., 1998
Mallavarapu, G.R.; Rao, B.R.R.; Kaul, P.N.; Ramesh, S.; Bhattacharya, A.K., Volatile constituents of the essential oils of the seeds and the herb of palmarosa (Cymbopogon martinii (Roxb.) Wats. var. motia Burk.), Flavour Fragr. J., 1998, 13, 3, 167-169, https://doi.org/10.1002/(SICI)1099-1026(199805/06)13:3<167::AID-FFJ719>3.0.CO;2-B . [all data]


Go To: Top, Kovats' RI, polar column, temperature ramp, References