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Pentane, 2,2,4-trimethyl-

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Normal alkane RI, non-polar column, custom temperature program

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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 Methyl SiliconeMethyl SiliconeMethyl SiliconeOV-101Polydimethyl siloxane
Column length (m)   60.  
Carrier gas   Helium  
Column diameter (mm)   0.32  
Phase thickness (mum)   1.0  
Program not specifiednot specified-50 0C (2 min) 8 0C/min -> 200 0C (7.75 min) 25 0C -> 225 0C (8 min)not specifiednot specified
I 694.690.691.692.691.
ReferenceChen and Feng, 2007Feng and Mu, 2007Blunden, Aneja, et al., 2005Du and Liang, 2003Junkes, Castanho, et al., 2003
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase Polydimethyl siloxanesMethyl SiliconeSPB-1DB-1DB-1
Column length (m)   60.60.60.
Carrier gas   He  
Column diameter (mm)   0.530.320.32
Phase thickness (mum)
Program not specifiednot specified40C(6min) => 5C/min => 80C => 10C/min => 200Cnot specified3 min at 5 C; 5 - 50 C at 3 deg/min; 50 - 220 C at 5 deg/min
I 688.688.692.685.685.
ReferenceYin, Guo, et al., 2001Spieksma, 1999Flanagan, Streete, et al., 1997Ciccioli, Cecinato, et al., 1994Ciccioli, Brancaleoni, et al., 1993
Column type CapillaryCapillaryPackedPacked
Active phase SPB-1OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc.SE-30SE-30
Column length (m)
Carrier gas HeliumHydrogenN2 
Substrate   Chromosorb WChrom W
Column diameter (mm) 0.530.32  
Phase thickness (mum) 5.0   
Program 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0Cnot specified50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold)50C(10min) => 20C/min(2min) => 90C(6min) => 10C/min(6min) => (hold at 150C)
I 692.686.700.700.
ReferenceStrete, Ruprah, et al., 1992Waggott and Davies, 1984Robinson and Odell, 1971Robinson and Odell, 1971, 2


Go To: Top, Normal alkane RI, non-polar column, custom temperature program, Notes

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

Chen and Feng, 2007
Chen, Y.; Feng, C., QSPR study on gas chromatography retention index of some organic pollutants, Comput. Appl. Chem. (China), 2007, 24, 10, 1404-1408. [all data]

Feng and Mu, 2007
Feng, H.; Mu, L.-L., Quantitative structure-retention relationships for alkane and its derivatives based on electrotopological state index and molecular shape index, Chem. Ind. Engineering (Chinese), 2007, 24, 2, 161-168. [all data]

Blunden, Aneja, et al., 2005
Blunden, J.; Aneja, V.P.; Lonneman, W.A., Characterization of non-methane volatile organic compounds at swine facilities in eastern North Carolina, Atm. Environ., 2005, 39, 36, 6707-6718, https://doi.org/10.1016/j.atmosenv.2005.03.053 . [all data]

Du and Liang, 2003
Du, Y.; Liang, Y., Data mining for seeking accurate quantitative relationship between molecular structure and GC retention indices of alkanes by projection pursuit, Comput. Biol. Chem., 2003, 27, 3, 339-353, https://doi.org/10.1016/S1476-9271(02)00081-6 . [all data]

Junkes, Castanho, et al., 2003
Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F., Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies, Internet Electronic Journal of Molecular Design, 2003, 2, 1, 33-49. [all data]

Yin, Guo, et al., 2001
Yin, C.; Guo, W.; Lin, T.; Liu, S.; Fu, R.; Pan, Z.; Wang, L., Application of wavelet neural network to the prediction of gas chromatographic retention indices of alkanes, J. Chinese Chem. Soc., 2001, 48, 739-749. [all data]

Spieksma, 1999
Spieksma, W., Determination of vapor liquid equilibrium from the Kovats retention index on dimethylsilicone using the Wilson mixing tool, J. Hi. Res. Chromatogr., 1999, 22, 10, 565-588, https://doi.org/10.1002/(SICI)1521-4168(19991001)22:10<565::AID-JHRC565>3.0.CO;2-2 . [all data]

Flanagan, Streete, et al., 1997
Flanagan, R.J.; Streete, P.J.; Ramsey, J.D., Volatile Substance Abuse, UNODC Technical Series, No 5, United Nations, Office on Drugs and Crime, Vienna International Centre, PO Box 500, A-1400 Vienna, Austria, 1997, 56, retrieved from http://www.odccp.org/pdf/technicalseries1997-01-011.pdf. [all data]

Ciccioli, Cecinato, et al., 1994
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Brachetti, A.; Frattoni, M.; Sparapani, R., Composition and Distribution of Polar and Non-Polar VOCs in Urban, Rural, Forest and Remote Areas, Eur Commission EUR, 1994, 549-568. [all data]

Ciccioli, Brancaleoni, et al., 1993
Ciccioli, P.; Brancaleoni, E.; Cecinato, A.; Sparapani, R.; Frattoni, M., Identification and determination of biogenic and anthropogenic volatile organic compounds in forest areas of Northern and Southern Europe and a remote site of the Himalaya region by high-resolution gas chromatography-mass spectrometry, J. Chromatogr., 1993, 643, 1-2, 55-69, https://doi.org/10.1016/0021-9673(93)80541-F . [all data]

Strete, Ruprah, et al., 1992
Strete, P.J.; Ruprah, M.; Ramsey, J.D.; Flanagan, R.J., Detection and identification of volatile substances by headspace capillary gas chromatography to aid the diagnosis of acute poisoning, Analyst, 1992, 117, 7, 1111-1127, https://doi.org/10.1039/an9921701111 . [all data]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]

Robinson and Odell, 1971
Robinson, P.G.; Odell, A.L., A system of standard retention indices and its uses. The characterisation of stationary phases and the prediction of retention indices, J. Chromatogr., 1971, 57, 1-10, https://doi.org/10.1016/0021-9673(71)80001-8 . [all data]

Robinson and Odell, 1971, 2
Robinson, P.G.; Odell, A.L., Comparison of isothermal and non-linear temperature programmed gas chromatography. The temperature dependence of the retention indices of a number of hydrocarbons on squalane and SE-30, J. Chromatogr., 1971, 57, 11-17, https://doi.org/10.1016/0021-9673(71)80002-X . [all data]


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