Pentane, 3-ethyl-

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Kovats' RI, non-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 SqualaneOV-101CP Sil 2SqualaneDB-1
Column length (m)   100.  
Carrier gas     H2
Substrate      
Column diameter (mm)   0.25  
Phase thickness (μm)   0.25 0.25
Temperature (C) 100.0.60.25.60.
I 687.683.687.3685.687.0
ReferenceHeinzen, Soares, et al., 1999Skrbic, 1997Estel, Mohnke, et al., 1995Hilal, Carreira, et al., 1994Krupcik, Skacani, et al., 1994
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase PONAPONADB-1OV-101OV-1
Column length (m)     25.
Carrier gas H2H2H2H2He
Substrate      
Column diameter (mm)     0.31
Phase thickness (μm) 0.50.51.0.20.52
Temperature (C) 60.60.60.60.45.
I 687.4687.4687.4687.9686.4
ReferenceKrupcik, Skacani, et al., 1994Krupcik, Skacani, et al., 1994Krupcik, Skacani, et al., 1994Krupcik, Skacani, et al., 1994Guan, Kiraly, et al., 1989
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase OV-1SqualaneSqualaneSqualaneSqualane
Column length (m) 25.50.50.50.50.
Carrier gas HeHeHeHeHe
Substrate      
Column diameter (mm) 0.310.220.220.220.22
Phase thickness (μm) 0.520.210.21  
Temperature (C) 65.50.70.50.70.
I 687.5686.687.1685.4686.4
ReferenceGuan, Kiraly, et al., 1989Guan, Kiraly, et al., 1989Guan, Kiraly, et al., 1989Lunskii and Paizanskaya, 1988Lunskii and Paizanskaya, 1988
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase NonpolarNonpolarNonpolarOV-101OV-101
Column length (m)    100.100.
Carrier gas      
Substrate      
Column diameter (mm)    0.270.27
Phase thickness (μm)    0.90.9
Temperature (C) 55.60.65.40.50.
I 686.687.687.685.5686.1
ReferenceStoyanov and Dimov, 1987Stoyanov and Dimov, 1987Stoyanov and Dimov, 1987Boneva and Dimov, 1986Boneva and Dimov, 1986
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase OV-101OV-101DB-1DB-1OV-101
Column length (m) 100.100.60.60.100.
Carrier gas      
Substrate      
Column diameter (mm) 0.270.270.2640.2590.27
Phase thickness (μm) 0.90.9 1.0.20
Temperature (C) 60.70.60.60.50.
I 686.6687.2687.687.4686.
ReferenceBoneva and Dimov, 1986Boneva and Dimov, 1986Lubeck and Sutton, 1983Lubeck and Sutton, 1983Johansen and Ettre, 1982
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase OV-101SF-96OV-1SqualaneSqualane
Column length (m) 55.91.4150.100.100.
Carrier gas   He  
Substrate      
Column diameter (mm) 0.270.310.500.250.25
Phase thickness (μm) 0.90.20   
Temperature (C) 50.50.60.50.70.
I 686.686.679.686.2686.4
ReferenceJohansen and Ettre, 1982Johansen and Ettre, 1982Nijs and Jacobs, 1981Bajus, Veselý, et al., 1979Bajus, Veselý, et al., 1979
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type PackedPackedPackedPackedPacked
Active phase TriacontaneTriacontaneSqualaneSqualaneOV-1
Column length (m) 3.3.3.3.4.
Carrier gas HeHeHeHe 
Substrate Chromosorb W AW (60-80 mesh)Chromosorb W AW (60-80 mesh)Chromosorb W AW (60-80 mesh)Chromosorb W AW (60-80 mesh)Chromosorb W AW DMCS (80-100 mesh)
Column diameter (mm)      
Phase thickness (μm)      
Temperature (C) 70.80.70.80.80.
I 686.686.688.688.688.
ReferenceCastello and D'Amato, 1979Castello and D'Amato, 1979Castello and D'Amato, 1979Castello and D'Amato, 1979Dimov and Papazova, 1979
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase SqualaneSqualaneSqualaneSqualaneSqualane
Column length (m)  120.120.100.100.
Carrier gas  HeHeN2N2
Substrate      
Column diameter (mm)  0.250.250.250.25
Phase thickness (μm)      
Temperature (C) 60.100.100.50.70.
I 687.683.5683.5686.687.
ReferenceChretien and Dubois, 1976Lulova, Leont'eva, et al., 1976Lulova, Leont'eva, et al., 1976Rijks and Cramers, 1974Rijks and Cramers, 1974
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase Apiezon LVacuum Grease Oil (VM-4)Vacuum Grease Oil (VM-4)Vacuum Grease Oil (VM-4)Vacuum Grease Oil (VM-4)
Column length (m)      
Carrier gas      
Substrate      
Column diameter (mm)      
Phase thickness (μm)      
Temperature (C) 100.35.45.50.58.
I 688.684.685.685.686.
ReferenceRappoport and Gäumann, 1973Sidorov, Petrova, et al., 1972Sidorov, Petrova, et al., 1972Sidorov, Petrova, et al., 1972Sidorov, Petrova, et al., 1972
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryPackedPackedPacked
Active phase Vacuum Grease Oil (VM-4)SqualaneSE-30SqualaneSE-30
Column length (m)  100.6.13.0 
Carrier gas   N2N2N2
Substrate   Chromosorb WEmbacel 
Column diameter (mm)  0.25   
Phase thickness (μm)      
Temperature (C) 68.70.75.100.80.
I 687.686.3691.689.688.
ReferenceSidorov, Petrova, et al., 1972Dimov and Schopov, 1971Robinson and Odell, 1971Robinson and Odell, 1971Mitra and Saha, 1970
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type PackedPackedCapillaryPackedPacked
Active phase SqualaneSqualaneSqualaneSqualaneSqualane
Column length (m)   91.415.15.
Carrier gas N2N2N2HeHe
Substrate    Chromosorb PChromosorb P
Column diameter (mm)   0.250.250.25
Phase thickness (μm)      
Temperature (C) 25.80.40.27.49.
I 685.688.686.685.686.
ReferenceMitra and Saha, 1970Mitra and Saha, 1970Matukuma, 1969Hively and Hinton, 1968Hively and Hinton, 1968
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type PackedPackedPackedPackedCapillary
Active phase SqualaneSqualaneSqualaneSqualaneSqualane
Column length (m) 15.15.10.10.100.
Carrier gas HeHeH2H2H2
Substrate Chromosorb PChromosorb P   
Column diameter (mm) 0.250.25  0.25
Phase thickness (μm)      
Temperature (C) 67.86.30.50.30.
I 687.688.684.5686.685.
ReferenceHively and Hinton, 1968Hively and Hinton, 1968Tourres, 1967Tourres, 1967Tourres, 1967, 2
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryPackedPackedPacked
Active phase SqualaneSqualaneSqualaneSqualaneSqualane
Column length (m) 100.100.1.81.81.8
Carrier gas H2H2   
Substrate   Untreated celiteUntreated celiteUntreated celite
Column diameter (mm) 0.250.25   
Phase thickness (μm)      
Temperature (C) 50.70.100.22.30.
I 686.687.689.684.685.
ReferenceTourres, 1967, 2Tourres, 1967, 2Evans, 1966Evans, 1966Evans, 1966
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type PackedPackedPackedPackedPacked
Active phase SqualaneSqualaneSqualaneSqualaneSqualane
Column length (m) 1.81.81.81.81.8
Carrier gas      
Substrate Untreated celiteUntreated celiteUntreated celiteUntreated celiteUntreated celite
Column diameter (mm)      
Phase thickness (μm)      
Temperature (C) 40.55.60.70.80.
I 685.687.686.687.688.
ReferenceEvans, 1966Evans, 1966Evans, 1966Evans, 1966Evans, 1966
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type Packed
Active phase Squalane
Column length (m) 10.
Carrier gas  
Substrate  
Column diameter (mm)  
Phase thickness (μm)  
Temperature (C) 26.
I 684.
ReferenceZulaïca and Guiochon, 1966
Comment MSDC-RI

References

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

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

Heinzen, Soares, et al., 1999
Heinzen, V.E.F.; Soares, M.F.; Yunes, R.A., Semi-empirical topological method for the prediction of the chromatographic retention of cis- and trans-alkene isomers and alkanes, J. Chromatogr. A, 1999, 849, 2, 495-506, https://doi.org/10.1016/S0021-9673(99)00530-0 . [all data]

Skrbic, 1997
Skrbic, B.D., Unified retention concept -- statistical treatment of Kováts retention index, J. Chromatogr. A, 1997, 764, 2, 257-264, https://doi.org/10.1016/S0021-9673(96)00955-7 . [all data]

Estel, Mohnke, et al., 1995
Estel, D.; Mohnke; Biermans; Rotzsche, The analysis of C4-C11 hydrocarbons in naphtha and reformate with a new apolar fused silica column, J. Hi. Res. Chromatogr., 1995, 18, 7, 403-412, https://doi.org/10.1002/jhrc.1240180703 . [all data]

Hilal, Carreira, et al., 1994
Hilal, S.H.; Carreira, L.A.; Karickhoff, S.W.; Melton, C.M., Estimation of Gas-Liquid Chromatographic Retention Times from Molecular Structure, J. Chromatogr. A, 1994, 662, 2, 269-280, https://doi.org/10.1016/0021-9673(94)80515-6 . [all data]

Krupcik, Skacani, et al., 1994
Krupcik, J.; Skacani, I.; Benicka, E.; Sandra, P., Dependence of gas chromatographic retention data of hydrocarbons on the film thickness of the polydimethylsiloxane stationary phase, Collect. Czech. Chem. Commun., 1994, 59, 11, 2390-2396, https://doi.org/10.1135/cccc19942390 . [all data]

Guan, Kiraly, et al., 1989
Guan, Y.; Kiraly, J.; Rijks, J.A., Interactive retention index database for compound identification in temperature-programmed capillary gas chromatography, J. Chromatogr., 1989, 472, 129-143, https://doi.org/10.1016/S0021-9673(00)94101-3 . [all data]

Lunskii and Paizanskaya, 1988
Lunskii, M.Kh.; Paizanskaya, I.L., Identification of hydrocarbons C1-C9 of petrol fractions of oils and condensates in the use of capillary columns with dinonylphthalate, Zh. Anal. Khim., 1988, 43, 127-135. [all data]

Stoyanov and Dimov, 1987
Stoyanov, E.; Dimov, N., Precalculation of the optimum column temperature for gas chromatographic separation of petroleum fractions, Anal. Chim. Acta., 1987, 201, 207-216, https://doi.org/10.1016/S0003-2670(00)85338-6 . [all data]

Boneva and Dimov, 1986
Boneva, S.; Dimov, N., Unified retention index of hydrocarbons separated on dimethylsilicone OV-101, Chromatographia, 1986, 21, 12, 697-700, https://doi.org/10.1007/BF02313682 . [all data]

Lubeck and Sutton, 1983
Lubeck, A.J.; Sutton, DL., Kovats retention indices of selected hydrocarbons through C10 on bonded phase fused silica capillaries, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1983, 6, 6, 328-332, https://doi.org/10.1002/jhrc.1240060612 . [all data]

Johansen and Ettre, 1982
Johansen, N.G.; Ettre, L.S., Retention index values of hydrocarbons on open-tubular columns coated with methylsilicone liquid phases, Chromatographia, 1982, 15, 10, 625-630, https://doi.org/10.1007/BF02279488 . [all data]

Nijs and Jacobs, 1981
Nijs, H.H.; Jacobs, P.A., On-Line Single Run Analysis of Effluents from a Fischer-Tropsch Reactor, J. Chromatogr. Sci., 1981, 19, 1, 40-45, https://doi.org/10.1093/chromsci/19.1.40 . [all data]

Bajus, Veselý, et al., 1979
Bajus, M.; Veselý, V.; Leclercq, P.A.; Rijks, J.A., Steam cracking of hydrocarbons. 1. Pyrolysis of heptane, Ind. Eng. Chem. Prod. Res. Dev., 1979, 18, 1, 30-37, https://doi.org/10.1021/i360069a007 . [all data]

Castello and D'Amato, 1979
Castello, G.; D'Amato, G., Use of Linear and Branched-Chain Paraffinic Liquid Phases as Non-Polar Reference Materials in Gas Chromatography, J. Chromatogr., 1979, 175, 1, 27-35, https://doi.org/10.1016/S0021-9673(00)86400-6 . [all data]

Dimov and Papazova, 1979
Dimov, N.; Papazova, D., Calculation of retention indices of isoparaffins on different phases, Chromatographia, 1979, 12, 7, 443-447, https://doi.org/10.1007/BF02302987 . [all data]

Chretien and Dubois, 1976
Chretien, J.R.; Dubois, J.-E., New Perspectives in the Prediction of Kovats Indices, J. Chromatogr., 1976, 126, 171-189, https://doi.org/10.1016/S0021-9673(01)84071-1 . [all data]

Lulova, Leont'eva, et al., 1976
Lulova, N.I.; Leont'eva, S.A.; Timofeeva, A.N., Gas-chromatographic method of determination of individual hydrocarbons in catalytic cracking gasolines in Proceedings of All-Union Research Institute on Oil Processes. Vol.18, All-Union Research Institute on Oil Processes, Moscow, 1976, 30-53. [all data]

Rijks and Cramers, 1974
Rijks, J.A.; Cramers, C.A., High precision capillary gas chromatography of hydrocarbons, Chromatographia, 1974, 7, 3, 99-106, https://doi.org/10.1007/BF02269819 . [all data]

Rappoport and Gäumann, 1973
Rappoport, S.; Gäumann, T., 114. L'indice de rétention des alcanes isomères en chromatographie en phase gazeuse, Helv. Chim. Acta, 1973, 56, 3, 1145-1158, https://doi.org/10.1002/hlca.19730560338 . [all data]

Sidorov, Petrova, et al., 1972
Sidorov, R.I.; Petrova, V.I.; Ivanova, M.P., Qualitative analysis of wide-boiling fraction C5-C10 with capillary chromatography in Processes in chromatographic columns. Vol.17, 1972, 14-25. [all data]

Dimov and Schopov, 1971
Dimov, N.; Schopov, D., Empirische korrektion der physikalisch-chemischen retentionsindexe von kohlenwasserstoffen auf squalan, J. Chromatogr., 1971, 63, 223-228, https://doi.org/10.1016/S0021-9673(01)85634-X . [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]

Mitra and Saha, 1970
Mitra, G.D.; Saha, N.C., Determination of Retention Indices of Saturated Hydrocarbons by Graphical Methods, J. Chromatogr. Sci., 1970, 8, 2, 95-102, https://doi.org/10.1093/chromsci/8.2.95 . [all data]

Matukuma, 1969
Matukuma, A., Retention indices of alkanes through C10 and alkenes through C8 and relation between boiling points and retention data, Gas Chromatogr., Int. Symp. Anal. Instrum. Div Instrum Soc. Amer., 1969, 7, 55-75. [all data]

Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203 . [all data]

Tourres, 1967
Tourres, D.A., Structural analysis of industrial butene dimers by gas chromatography, J. Gas Chromatogr., 1967, 5, 1, 35-40, https://doi.org/10.1093/chromsci/5.1.35 . [all data]

Tourres, 1967, 2
Tourres, D.A., Structure moléculaire et rétention en chromatographie en phase gazeuse. Influence de la température sur l'indice de rétention d'alcanes isomères, J. Chromatogr., 1967, 30, 357-377, https://doi.org/10.1016/S0021-9673(00)84168-0 . [all data]

Evans, 1966
Evans, M.B., Retention indices of solutes on squalane, dinonyl phthalate, and polyethylene glycol 400, J. Gas Chromatogr., 1966, 4, 1, 1-3, https://doi.org/10.1093/chromsci/4.1.1 . [all data]

Zulaïca and Guiochon, 1966
Zulaïca, J.; Guiochon, G., Analyse des hauts polymères par chromatographie en phase gazeuse de leurs produits de pyrolyse. II. Application à quelques hydrocarbures macromoléculaires purs, Bull. Soc. Chim. Fr., 1966, 4, 1351-1363. [all data]


Notes

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