Heptane, 2,4-dimethyl-

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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 SqualaneSqualaneOV-101OV-101OV-101
Column length (m)      
Carrier gas      
Substrate      
Column diameter (mm)      
Phase thickness (μm)      
Temperature (C) 100.25.40.60.80.
I 821.821.823.824.824.
ReferenceHeinzen, Soares, et al., 1999Hilal, Carreira, et al., 1994Laub and Purnell, 1988Laub and Purnell, 1988Laub and Purnell, 1988
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase SqualaneSqualaneDB-1DB-1Squalane
Column length (m) 50.50.60.60.50.
Carrier gas HeHe  N2
Substrate      
Column diameter (mm) 0.220.220.2640.259 
Phase thickness (μm)    1. 
Temperature (C) 50.70.60.60.70.
I 820.5821.2824.823.9821.2
ReferenceLunskii and Paizanskaya, 1988Lunskii and Paizanskaya, 1988Lubeck and Sutton, 1983Lubeck and Sutton, 1983Nabivach and Kirilenko, 1979
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase SqualaneSqualaneSqualaneSqualaneVacuum Grease Oil (VM-4)
Column length (m) 50. 120.120.150.
Carrier gas N2 HeHeN2
Substrate      
Column diameter (mm)   0.250.250.25
Phase thickness (μm)      
Temperature (C) 70.60.100.100.95.
I 823.0821.2822.5822.5822.1
ReferenceNabivach and Kirilenko, 1979Chretien and Dubois, 1976Lulova, Leont'eva, et al., 1976Lulova, Leont'eva, et al., 1976Sultanov and Arustamova, 1975
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 (μm)      
Temperature (C) 35.45.50.58.68.
I 816.817.817.818.819.
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 PackedPackedPackedCapillaryPacked
Active phase SqualaneSE-30SqualaneSqualaneSqualane
Column length (m) 3.  91.415.
Carrier gas N2N2N2N2He
Substrate Chromosorb W   Chromosorb P
Column diameter (mm)    0.250.25
Phase thickness (μm)      
Temperature (C) 50.80.80.60.49.
I 821.5823.822.821.820.
ReferenceTakács, Szita, et al., 1971Mitra and Saha, 1970Mitra and Saha, 1970Matukuma, 1969Hively and Hinton, 1968
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type PackedPackedCapillaryCapillaryCapillary
Active phase SqualaneSqualaneSqualaneSqualaneSqualane
Column length (m) 15.15.100.100.100.
Carrier gas HeHeArH2H2
Substrate Chromosorb PChromosorb P   
Column diameter (mm) 0.250.25 0.250.25
Phase thickness (μm)      
Temperature (C) 67.86.80.30.50.
I 821.821.822.821.822.
ReferenceHively and Hinton, 1968Hively and Hinton, 1968Schomburg, 1967Tourres, 1967Tourres, 1967
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type Capillary
Active phase Squalane
Column length (m) 100.
Carrier gas H2
Substrate  
Column diameter (mm) 0.25
Phase thickness (μm)  
Temperature (C) 70.
I 822.
ReferenceTourres, 1967
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]

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]

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]

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]

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]

Sultanov and Arustamova, 1975
Sultanov, N.T.; Arustamova, L.G., Determination of the boiling points of C10 isoalkanes in an n-decane isomerizate from gas chromatographic retention indices, J. Chromatogr., 1975, 115, 2, 553-558, https://doi.org/10.1016/S0021-9673(01)98959-9 . [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]

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]

Schomburg, 1967
Schomburg, G., Struktur und Retentionsverhalten von Offenkettigen und Cyclischen Kohlenwasserstoffen und Deren Einfacher Substitutionsprodukte, Anal. Chim. Acta., 1967, 38, 45-64, https://doi.org/10.1016/S0003-2670(01)80560-2 . [all data]

Tourres, 1967
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]


Notes

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