Eicosane, 4-methyl
- Formula: C21H44
- Molecular weight: 296.5741
- IUPAC Standard InChI: InChI=1S/C21H44/c1-4-6-7-8-9-10-11-12-13-14-15-16-17-18-20-21(3)19-5-2/h21H,4-20H2,1-3H3
- IUPAC Standard InChIKey: XLKVRUORNFWTNM-UHFFFAOYSA-N
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Other names: 4-methyleicosane
- Information on this page:
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Gas Chromatography
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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
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | OV-101 | 190. | 2059. | Kusmierz, Malinski, et al., 1985 | Column length: 22. m; Column diameter: 0.3 mm |
| Capillary | Apiezon L | 190. | 2054.6 | Kusmierz, Malinski, et al., 1985 | He; Column length: 20. m; Column diameter: 0.3 mm |
| Capillary | SE-52 | 190. | 2057.4 | Kusmierz, Malinski, et al., 1985 | He; Column length: 40. m; Column diameter: 0.3 mm |
Kovats' RI, polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | Carbowax 20M | 150. | 2057. | Kusmierz, Malinski, et al., 1985 | He; Column length: 30. m; Column diameter: 0.25 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Cross-Linked Methylsilicone | 2060. | Khorasheh, Gray, et al., 1989 | 5. K/min; Tstart: 40. C; Tend: 300. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-5 | 2057. | Zaikin and Borisov, 2002 | He; Column length: 30. m; Column diameter: 0.25 mm; Program: 30C => 5K/min=120C => 10C/min => 270C |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-1 | 2060.2 | Krkosova, Kubinec, et al., 2007 | 100. m/0.32 mm/0.25 μm, Helium, 5. K/min, 310. C @ 5. min; Tstart: 30. C |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kusmierz, Malinski, et al., 1985
Kusmierz, J.; Malinski, E.; Czerwiec, W.; Szafranek, J.,
Kováts retention indices of high-molecular-weight monomethyl-, cyclopentyl-, cyclohexyl- and phenylalkanes,
J. Chromatogr., 1985, 331, 219-228, https://doi.org/10.1016/0021-9673(85)80027-3
. [all data]
Khorasheh, Gray, et al., 1989
Khorasheh, F.; Gray, M.R.; Selucky, M.L.,
Correlation for Kováts retention index of C9-C26 monoalkyl and polymethyl alkanes and alkenes,
J. Chromatogr., 1989, 481, 1-16, https://doi.org/10.1016/S0021-9673(01)96747-0
. [all data]
Zaikin and Borisov, 2002
Zaikin, V.G.; Borisov, R.S.,
Chromatographic-mass spectrometric analysis of Fishcer-Tropsch synthesis products,
J. Anal. Chem. USSR (Engl. Transl.), 2002, 57, 6, 544-551. [all data]
Krkosova, Kubinec, et al., 2007
Krkosova, Z.; Kubinec, R.; Addova, G.; Jurdakova, H.; Blasko, J.; Ostrovsky, I.; Sojak, L.,
Gas chromatographic - mass spectrometric characterization of monomethylalkanes from fuel diesel,
Petroleum Coal, 2007, 49, 3, 51-62. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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