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Heptane, 4-methyl-

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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 CapillaryCapillaryCapillaryCapillaryPacked
Active phase OV-101OV-101SqualaneOV-101Squalane
Column length (m) 50.50.   
Carrier gas HeHe   
Substrate      
Column diameter (mm) 0.250.25   
Phase thickness (mum)      
Temperature (C) 40.60.100.0.78.5
I 766.8767.2767.766.768.2
ReferenceChen, Liang, et al., 2001Chen, Liang, et al., 2001Heinzen, Soares, et al., 1999Skrbic, 1997Zhang and Lu, 1996
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase CP Sil 2SqualaneOV-1OV-101OV-101
Column length (m) 100.    
Carrier gas      
Substrate      
Column diameter (mm) 0.25    
Phase thickness (mum) 0.25    
Temperature (C) 60.25.60.40.60.
I 765.8766.768.766.767.
ReferenceEstel, Mohnke, et al., 1995Hilal, Carreira, et al., 1994Engewald, Maurer, et al., 1989Laub and Purnell, 1988Laub and Purnell, 1988
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase OV-101SqualaneSqualaneOV-101OV-101
Column length (m)  50.50.100.100.
Carrier gas  HeHe  
Substrate      
Column diameter (mm)  0.220.220.270.27
Phase thickness (mum)    0.90.9
Temperature (C) 80.50.70.40.50.
I 767.766.9767.9767.5767.6
ReferenceLaub and Purnell, 1988Lunskii and Paizanskaya, 1988Lunskii and Paizanskaya, 1988Boneva and Dimov, 1986Boneva and Dimov, 1986
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase OV-101OV-101OV-101OV-101OV-101
Column length (m) 100.100.   
Carrier gas      
Substrate      
Column diameter (mm) 0.270.27   
Phase thickness (mum) 0.90.9   
Temperature (C) 60.70.30.40.50.
I 767.8768.0766.766.766.
ReferenceBoneva and Dimov, 1986Boneva and Dimov, 1986Chien, Furio, et al., 1983Chien, Furio, et al., 1983Chien, Furio, et al., 1983
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase OV-101OV-101OV-101DB-1DB-1
Column length (m)    60.60.
Carrier gas      
Substrate      
Column diameter (mm)    0.2640.259
Phase thickness (mum)     1.
Temperature (C) 60.70.80.60.60.
I 767.767.767.768.1768.1
ReferenceChien, Furio, et al., 1983Chien, Furio, et al., 1983Chien, Furio, et al., 1983Lubeck and Sutton, 1983Lubeck and Sutton, 1983
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryPacked
Active phase OV-101OV-101SF-96OV-1Triacontane
Column length (m) 100.55.91.4150.3.
Carrier gas    HeHe
Substrate     Chromosorb W AW (60-80 mesh)
Column diameter (mm) 0.270.270.310.50 
Phase thickness (mum) 0.200.90.20  
Temperature (C) 50.50.50.60.80.
I 768.768.767.757.768.
ReferenceJohansen and Ettre, 1982Johansen and Ettre, 1982Johansen and Ettre, 1982Nijs and Jacobs, 1981Castello and D'Amato, 1979
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type PackedCapillaryCapillaryCapillaryCapillary
Active phase SqualaneSqualaneSqualaneSqualaneSqualane
Column length (m) 3.50.50. 120.
Carrier gas HeN2N2 He
Substrate Chromosorb W AW (60-80 mesh)    
Column diameter (mm)     0.25
Phase thickness (mum)      
Temperature (C) 80.70.70.60.100.
I 767.767.2768.1767.766.
ReferenceCastello and D'Amato, 1979Nabivach and Kirilenko, 1979Nabivach and Kirilenko, 1979Chretien and Dubois, 1976Lulova, Leont'eva, et al., 1976
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase SqualaneSqualaneSqualaneApiezon LSqualane
Column length (m) 120.100.100. 100.
Carrier gas HeN2N2  
Substrate      
Column diameter (mm) 0.250.250.25 0.25
Phase thickness (mum)      
Temperature (C) 100.50.70.100.40.
I 766.767.768.765.767.
ReferenceLulova, Leont'eva, et al., 1976Rijks and Cramers, 1974Rijks and Cramers, 1974Rappoport and Gäumann, 1973Schomburg and Dielmann, 1973
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase Vacuum Grease Oil (VM-4)Vacuum 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 (mum)      
Temperature (C) 35.45.50.58.68.
I 766.766.766.766.767.
ReferenceSidorov, Petrova, et al., 1972Sidorov, 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 CapillaryPackedPackedPackedPacked
Active phase SqualaneSqualaneSqualaneSE-30Squalane
Column length (m) 100.3.03.  
Carrier gas  N2N2N2N2
Substrate  EmbacelChromosorb W  
Column diameter (mm) 0.25    
Phase thickness (mum)      
Temperature (C) 70.100.50.80.25.
I 767.769.767.5769.767.
ReferenceDimov and Schopov, 1971Robinson and Odell, 1971Takács, Szita, et al., 1971Mitra and Saha, 1970Mitra and Saha, 1970
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type PackedCapillaryPackedPackedPacked
Active phase SqualaneSqualaneSqualaneSqualaneSqualane
Column length (m)  91.415.15.15.
Carrier gas N2N2HeHeHe
Substrate   Chromosorb PChromosorb PChromosorb P
Column diameter (mm)  0.250.250.250.25
Phase thickness (mum)      
Temperature (C) 80.40.27.49.67.
I 768.767.766.767.767.
ReferenceMitra and Saha, 1970Matukuma, 1969Hively and Hinton, 1968Hively and Hinton, 1968Hively and Hinton, 1968
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type PackedPackedPackedCapillaryCapillary
Active phase SqualaneSqualaneSqualaneSqualaneSqualane
Column length (m) 15.10.10.100.100.
Carrier gas HeH2H2H2H2
Substrate Chromosorb P    
Column diameter (mm) 0.25  0.250.25
Phase thickness (mum)      
Temperature (C) 86.30.50.30.50.
I 768.767.5767.5767.768.
ReferenceHively and Hinton, 1968Tourres, 1967Tourres, 1967Tourres, 1967, 2Tourres, 1967, 2
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryPackedPackedPackedPacked
Active phase SqualaneSE-30SE-30SqualaneSqualane
Column length (m) 100.7.97.91.81.8
Carrier gas H2    
Substrate  Diatoport SDiatoport SUntreated celiteUntreated celite
Column diameter (mm) 0.25    
Phase thickness (mum)      
Temperature (C) 70.70.70.100.40.
I 768.771.771.769.767.
ReferenceTourres, 1967, 2Widmer, 1967Widmer, 1967Evans, 1966Evans, 1966
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type PackedPackedPackedPacked
Active phase SqualaneSqualaneSqualaneSqualane
Column length (m) 1.81.81.81.8
Carrier gas     
Substrate Untreated celiteUntreated celiteUntreated celiteUntreated celite
Column diameter (mm)     
Phase thickness (mum)     
Temperature (C) 55.60.70.80.
I 768.768.768.768.
ReferenceEvans, 1966Evans, 1966Evans, 1966Evans, 1966
Comment MSDC-RI MSDC-RI MSDC-RI 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.

Chen, Liang, et al., 2001
Chen, J.P.; Liang, X.M.; Zhang, Q.; Zhang, L.F., Prediction of GC retention values under various column temperature conditions from temperature programmed data, Chromatographia, 2001, 53, 9/10, 539-547, https://doi.org/10.1007/BF02491619 . [all data]

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]

Zhang and Lu, 1996
Zhang, X.; Lu, P., Unified equation between Kováts indices on different stationary phases for select types of compounds, J. Chromatogr. A, 1996, 731, 1-2, 187-199, https://doi.org/10.1016/0021-9673(95)01213-3 . [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]

Engewald, Maurer, et al., 1989
Engewald, W.; Maurer, T.; Schiefke, A., Investigation of isomeric hydrocarbons by gas-solid chromatography on graphitized thermal carbon black, Pure Appl. Chem., 1989, 61, 11, 2001-2004, https://doi.org/10.1351/pac198961112001 . [all data]

Laub and Purnell, 1988
Laub, R.J.; Purnell, J.H., Specific retention volumes, retention indices, and family-plot regressions of aliphatic, alicyclic, and aromatic hydrocarbon solutes with OV-101 poly (dimethylsiloxane) stationary phase, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1988, 11, 9, 649-660, https://doi.org/10.1002/jhrc.1240110908 . [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]

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]

Chien, Furio, et al., 1983
Chien, C.-F.; Furio, D.L.; Kopecni, M.M.; Laub, R.J., Specific Retention Volumes and Retention Indices of Selected Hydrocarbon Solutes with OV-101 and SP-2100 Polydimethylsiloxane Solvents, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1983, 6, 10, 577-580, https://doi.org/10.1002/jhrc.1240061013 . [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]

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]

Nabivach and Kirilenko, 1979
Nabivach, V.M.; Kirilenko, A.V., The use of retention indices for identifying the components of crude benzene, Solid Fuel Chem. (Engl. Transl.), 1979, 13, 3, 82-87. [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]

Schomburg and Dielmann, 1973
Schomburg, G.; Dielmann, G., Identification by means of retention parameters, J. Chromatogr. Sci., 1973, 11, 3, 151-159, https://doi.org/10.1093/chromsci/11.3.151 . [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]

Takács, Szita, et al., 1971
Takács, J.; Szita, C.; Tarján, G., Contribution to the theory of the retention index system. III. Retention index and molecular structure. Calculation of retention indices of paraffin hydrocarbons on the basis of their molecular structure, J. Chromatogr., 1971, 56, 1-12, https://doi.org/10.1016/S0021-9673(00)97771-9 . [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]

Widmer, 1967
Widmer, H., Gas chromatographic identification of hydrocarbons using retention indices, J. Gas Chromatogr., 1967, 5, 10, 506-510, https://doi.org/10.1093/chromsci/5.10.506 . [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]


Notes

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