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Heptane, 4-methyl-

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Normal alkane RI, non-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 Polydimethyl siloxane: CP-Sil 5 CBPetrocol DHPONAOV-1Petrocol DH
Column length (m)
Carrier gas HeliumHeliumNitrogenHelium 
Column diameter (mm)
Phase thickness (mum) 1.00.500.500.251.0
Tstart (C)
Tend (C)
Heat rate (K/min) 3.615.2.5.1.
Initial hold (min) 1.4515.15.  
Final hold (min) 2.7230.10.5. 
I 768.767.768.765.9765.
ReferenceBramston-Cook, 2013Supelco, 2012Zhang, Ding, et al., 2009Krkosova, Kubinec, et al., 2007Sojak, Kubinec, et al., 2006
Column type CapillaryCapillaryCapillaryPacked
Active phase SE-54DB-1DB-5Apiezon L
Column length (m)
Carrier gas  HeHe 
Substrate    Chromosorb G-AW-DMCS
Column diameter (mm) 0.320.320.32 
Phase thickness (mum)  1.21.0 
Tstart (C)
Tend (C) 200.240.240. 
Heat rate (K/min)
Initial hold (min) 2.10.  
Final hold (min)     
I 770.769.767.762.
ReferenceGuan, Li, et al., 1995Ciccioli, Cecinato, et al., 1992Berdague, Denoyer, et al., 1991Dahlmann, Köser, et al., 1979


Go To: Top, Normal alkane RI, non-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.

Bramston-Cook, 2013
Bramston-Cook, R., Kovats indices for C2-C13 hydrocarbons and selected oxygenated/halocarbons with 100 % dimethylpolysiloxane columns, 2013, retrieved from http://lotusinstruments.com/monographs/List .... [all data]

Supelco, 2012
Supelco, CatalogNo. 24160-U, Petrocol DH Columns. Catalog No. 24160-U, 2012, retrieved from http://www.sigmaaldrich.com/etc/medialib/docs/Supelco/Datasheet/1/w97949.Par.0001.File.tmp/w97949.pdf. [all data]

Zhang, Ding, et al., 2009
Zhang, X.; Ding, L.; Sun, Z.; Song, L.; Sun, T., Study on quantitative structure-retention relationships for hydrocarbons in FCC gasoline, Chromatographia, 2009, 70, 3/4, 511-518, https://doi.org/10.1365/s10337-009-1174-0 . [all data]

Krkosova, Kubinec, et al., 2007
Krkosova, Z.; Kubinec, R.; Addova, G.; Jurdakova, H.; Blasko, J.; Ostrovsky, I.; Sojak, L., Gas chromatographic - mass spectrometric characterization of monomethylalkanes from fuel diesel, Petroleum Coal, 2007, 49, 3, 51-62. [all data]

Sojak, Kubinec, et al., 2006
Sojak, L.; Kubinec, R.; Jurdakova, H.; Hajekova, E.; Bajus, M., GC-MS of polyethylene and polypropylene thermal cracking produxts, Petroleum Coal, 2006, 48, 1, 1-14. [all data]

Guan, Li, et al., 1995
Guan, Y.; Li, L.; Zhou, L., Live retention database for compound identification in capillary gas chromatography, Chin. J. Chromatogr., 1995, 13, 5, 851-857. [all data]

Ciccioli, Cecinato, et al., 1992
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Frattoni, M.; Liberti, A., Use of carbon adsorption traps combined with high resolution gas chromatography - mass spectrometry for the analysis of polar and non-polar C4-C14 hydrocarbons involved in photochemical smog formation, J. Hi. Res. Chromatogr., 1992, 15, 2, 75-84, https://doi.org/10.1002/jhrc.1240150205 . [all data]

Berdague, Denoyer, et al., 1991
Berdague, J.-L.; Denoyer, C.; Le Quéré, J.-L.; Semon, E., Volatile components of dry-cured ham, J. Agric. Food Chem., 1991, 39, 7, 1257-1261, https://doi.org/10.1021/jf00007a012 . [all data]

Dahlmann, Köser, et al., 1979
Dahlmann, G.; Köser, H.J.K.; Oelert, H.H., Multiple korrelation von retentionsindizes, Chromatographia, 1979, 12, 10, 665-671, https://doi.org/10.1007/BF02302943 . [all data]


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