Cycloheptane
- Formula: C7H14
- Molecular weight: 98.1861
- IUPAC Standard InChIKey: DMEGYFMYUHOHGS-UHFFFAOYSA-N
- CAS Registry Number: 291-64-5
- Chemical structure:
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Kovats' RI, non-polar column, isothermal
Go To: Top, References, Notes
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 | Packed | Packed | Packed | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | C78, Branched paraffin | C78, Branched paraffin | Apolane | Squalane | Squalane |
Column length (m) | 3.3 | 3.3 | 3.7 | 50. | 50. |
Carrier gas | He | He | He | ||
Substrate | Chromosorb G HP | ||||
Column diameter (mm) | 0.22 | 0.22 | |||
Phase thickness (μm) | |||||
Temperature (C) | 130. | 130. | 130. | 50. | 70. |
I | 837.5 | 836.0 | 837. | 794.2 | 800. |
Reference | Dallos, Sisak, et al., 2000 | Reddy, Dutoit, et al., 1992 | Dutoit, 1991 | Lunskii and Paizanskaya, 1988 | Lunskii and Paizanskaya, 1988 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | OV-1 | SE-30 | SE-30 | OV-101 | OV-101 |
Column length (m) | 50. | 100. | 100. | 100. | 55. |
Carrier gas | |||||
Substrate | |||||
Column diameter (mm) | 0.3 | 0.5 | 0.5 | 0.27 | 0.27 |
Phase thickness (μm) | 0.20 | 0.9 | |||
Temperature (C) | 100. | 130. | 80. | 50. | 50. |
I | 806.9 | 819. | 800. | 789. | 788. |
Reference | Engewald, Billing, et al., 1987 | Bredael, 1982 | Bredael, 1982 | Johansen and Ettre, 1982 | Johansen and Ettre, 1982 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Packed | Packed | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | SF-96 | Squalane | Apolane | Squalane | Squalane |
Column length (m) | 91.4 | 1. | 2.4 | 100. | 100. |
Carrier gas | He | He | N2 | N2 | |
Substrate | Chromaton N-AW-HMDS | Chromosorb | |||
Column diameter (mm) | 0.31 | 0.23 | 0.23 | ||
Phase thickness (μm) | 0.20 | ||||
Temperature (C) | 50. | 100. | 70. | 42.5 | 80. |
I | 789. | 815. | 811.6 | 791. | 804. |
Reference | Johansen and Ettre, 1982 | Nabivach and Kirilenko, 1980 | Riedo, Fritz, et al., 1976 | Engewald, Epsch, et al., 1974 | Engewald, Epsch, et al., 1974 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Packed |
---|---|---|---|---|---|
Active phase | Squalane | Apiezon L | Squalane | Squalane | SE-30 |
Column length (m) | 50. | 50. | 50. | 50. | 6.1 |
Carrier gas | N2 | N2 | N2 | ||
Substrate | Celite 545 | Celite 545 | Chromosorb W | ||
Column diameter (mm) | 0.25 | 0.25 | 0.3 | 0.3 | |
Phase thickness (μm) | |||||
Temperature (C) | 100. | 100. | 120. | 86. | 75. |
I | 811. | 829. | 807. | 803. | 784. |
Reference | Besson and Gäumann, 1973 | Besson and Gäumann, 1973 | Agrawal, Tesarík, et al., 1972 | Agrawal, Tesarík, et al., 1972 | Robinson and Odell, 1971 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Packed | Packed | Packed | Packed | Packed |
---|---|---|---|---|---|
Active phase | Squalane | Squalane | Squalane | Squalane | Squalane |
Column length (m) | 3.0 | 15. | 15. | 15. | 15. |
Carrier gas | N2 | He | He | He | He |
Substrate | Embacel | Chromosorb P | Chromosorb P | Chromosorb P | Chromosorb P |
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Phase thickness (μm) | |||||
Temperature (C) | 100. | 27. | 49. | 67. | 86. |
I | 812. | 786. | 795. | 800. | 806. |
Reference | Robinson and Odell, 1971 | Hively and Hinton, 1968 | Hively and Hinton, 1968 | Hively and Hinton, 1968 | Hively and Hinton, 1968 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Packed |
---|---|---|---|
Active phase | Squalane | Squalane | Squalane |
Column length (m) | |||
Carrier gas | |||
Substrate | |||
Column diameter (mm) | |||
Phase thickness (μm) | |||
Temperature (C) | 120. | 80. | 150. |
I | 816. | 804. | 824. |
Reference | Schomburg, 1966 | Schomburg, 1966 | Schomburg, 1964 |
Comment | 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.
Dallos, Sisak, et al., 2000
Dallos, A.; Sisak, A.; Kulcsár, Z.; Kováts, E.,
Pair-wise interactions by gas chromatography VII. Interaction free enthalpies of solutes with secondary alcohol groups,
J. Chromatogr. A, 2000, 904, 2, 211-242, https://doi.org/10.1016/S0021-9673(00)00908-0
. [all data]
Reddy, Dutoit, et al., 1992
Reddy, K.S.; Dutoit, J.-Cl.; Kovats, E. sz.,
Pair-wise interactions by gas chromatography. I. Interaction free enthalpies of solutes with non-associated primary alcohol groups,
J. Chromatogr., 1992, 609, 1-2, 229-259, https://doi.org/10.1016/0021-9673(92)80167-S
. [all data]
Dutoit, 1991
Dutoit, J.,
Gas chromatographic retention behaviour of some solutes on structurally similar polar and non-polar stationary phases,
J. Chromatogr., 1991, 555, 1-2, 191-204, https://doi.org/10.1016/S0021-9673(01)87179-X
. [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]
Engewald, Billing, et al., 1987
Engewald, W.; Billing, U.; Welsch, T.; Haufe, G.,
Structure-retention correlations of hydrocarbons in gas-liquid and gas-solid chromatography. Cycloalkenes and cycloalkadienes,
Chromatographia, 1987, 23, 8, 590-594, https://doi.org/10.1007/BF02324870
. [all data]
Bredael, 1982
Bredael, P.,
Retention indices of hydrocarbons on SE-30,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1982, 5, 6, 325-328, https://doi.org/10.1002/jhrc.1240050610
. [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]
Nabivach and Kirilenko, 1980
Nabivach, V.M.; Kirilenko, A.V.,
Relationship between the gas chromatographic behaviour and the molecular structure of hydrocarbon samples and various stationary phases. Part II. Correlation between the retention index, physicochemical properties and molecular structure,
Chromatographia, 1980, 13, 2, 93-100, https://doi.org/10.1007/BF02263060
. [all data]
Riedo, Fritz, et al., 1976
Riedo, F.; Fritz, D.; Tarján, G.; Kováts, E.Sz.,
A tailor-made C87 hydrocarbon as a possible non-polar standard stationary phase for gas chromatography,
J. Chromatogr., 1976, 126, 63-83, https://doi.org/10.1016/S0021-9673(01)84063-2
. [all data]
Engewald, Epsch, et al., 1974
Engewald, W.; Epsch, K.; Graefe, J.; Welsch, Th.,
Molekülstruktur und retentionsverhalten. II. Retentionsverhalten cycloaliphatischer kohlenwasser-stoffe bei der gas-adsorptions- und gas-verteilungschromatographie,
J. Chromatogr., 1974, 91, 623-631, https://doi.org/10.1016/S0021-9673(01)97943-9
. [all data]
Besson and Gäumann, 1973
Besson, R.; Gäumann, T.,
Indices de rétention de cycloalcanes, cycloalcènes, bicycloalkyles, cycloalkyl-cycloalcényles et bicycloalcényles en chromatographie en phase gazeuse,
Helv. Chim. Acta, 1973, 56, 3, 1159-1164, https://doi.org/10.1002/hlca.19730560339
. [all data]
Agrawal, Tesarík, et al., 1972
Agrawal, B.B.; Tesarík, K.; Janák, J.,
Gas chromatographic characterization of sulphur compounds in the 93-162° gasoline cut from Romashkino crude oil using Kováts retention indices,
J. Chromatogr., 1972, 65, 1, 207-215, https://doi.org/10.1016/S0021-9673(00)86933-2
. [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]
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, 1966
Schomburg, G.,
Gaschromatographische Retentionsdaten und struktur chemischer verbindungen. III. Alkylverzweigte und ungesättigte cyclische Kohlenwasserstoffe,
J. Chromatogr., 1966, 23, 18-41, https://doi.org/10.1016/S0021-9673(01)98653-4
. [all data]
Schomburg, 1964
Schomburg, G.,
Gas-Chromatographische Retentionsdaten und Struktur Chemischer Verbindungen. I. Verzweigte Aliphatische und Alicyclische Carbonsäure-Methylester,
J. Chromatogr., 1964, 14, 157-177, https://doi.org/10.1016/S0021-9673(00)86608-X
. [all data]
Notes
Go To: Top, Kovats' RI, non-polar column, isothermal, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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