Heptane, 2,5-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 OV-101SqualaneHP-1HP-1Squalane
Column length (m) 50. 25.25.50.
Carrier gas He N2N2He
Substrate      
Column diameter (mm) 0.25 0.200.200.22
Phase thickness (μm)      
Temperature (C) 60.100.60.60.50.
I 836.3834.837.840.831.8
ReferenceChen, Liang, et al., 2001Heinzen, Soares, et al., 1999Zhang, Li, et al., 1992Zhang, Li, et al., 1992Lunskii and Paizanskaya, 1988
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase SqualaneDB-1DB-1SqualaneSqualane
Column length (m) 50.60.60.50.50.
Carrier gas He  N2N2
Substrate      
Column diameter (mm) 0.220.2640.259  
Phase thickness (μm)   1.  
Temperature (C) 70.60.60.86.86.
I 832.4836.9836.9833.6834.0
ReferenceLunskii and Paizanskaya, 1988Lubeck and Sutton, 1983Lubeck and Sutton, 1983Nabivach and Kirilenko, 1979Nabivach and Kirilenko, 1979
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase SqualaneSqualaneSqualaneVacuum Grease Oil (VM-4)Vacuum Grease Oil (VM-4)
Column length (m)  120.120.150. 
Carrier gas  HeHeN2 
Substrate      
Column diameter (mm)  0.250.250.25 
Phase thickness (μm)      
Temperature (C) 60.100.100.95.35.
I 833.7832.9832.9832.8827.
ReferenceChretien and Dubois, 1976Lulova, Leont'eva, et al., 1976Lulova, Leont'eva, et al., 1976Sultanov and Arustamova, 1975Sidorov, Petrova, et al., 1972
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryPacked
Active phase Vacuum Grease Oil (VM-4)Vacuum Grease Oil (VM-4)Vacuum Grease Oil (VM-4)Vacuum Grease Oil (VM-4)Squalane
Column length (m)     3.
Carrier gas     N2
Substrate     Chromosorb W
Column diameter (mm)      
Phase thickness (μm)      
Temperature (C) 45.50.58.68.50.
I 828.828.829.830.832.9
ReferenceSidorov, Petrova, et al., 1972Sidorov, Petrova, et al., 1972Sidorov, Petrova, et al., 1972Sidorov, Petrova, et al., 1972Takács, Szita, et al., 1971
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type PackedPackedCapillaryCapillaryCapillary
Active phase SE-30SqualaneSqualaneSqualaneSqualane
Column length (m)   91.4100.100.
Carrier gas N2N2N2ArH2
Substrate      
Column diameter (mm)   0.25 0.25
Phase thickness (μm)      
Temperature (C) 80.80.60.80.30.
I 834.833.833.834.832.
ReferenceMitra and Saha, 1970Mitra and Saha, 1970Matukuma, 1969Schomburg, 1967Tourres, 1967
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillary
Active phase SqualaneSqualane
Column length (m) 100.100.
Carrier gas H2H2
Substrate   
Column diameter (mm) 0.250.25
Phase thickness (μm)   
Temperature (C) 50.70.
I 833.834.
ReferenceTourres, 1967Tourres, 1967
Comment 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]

Zhang, Li, et al., 1992
Zhang, M.J.; Li, S.D.; Chen, B.J., Compositional studies of high-temperature coal tar by GC/FTIR analysis of light oil fractions, Chromatographia, 1992, 33, 3/4, 138-146, https://doi.org/10.1007/BF02275894 . [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]

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

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