Cyclopentane, 1,1,2-trimethyl-
- Formula: C8H16
- Molecular weight: 112.2126
- IUPAC Standard InChI: InChI=1S/C8H16/c1-7-5-4-6-8(7,2)3/h7H,4-6H2,1-3H3
- IUPAC Standard InChIKey: WINCSBAYCULVDU-UHFFFAOYSA-N
- CAS Registry Number: 4259-00-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Camphocean; 1,1,2-Trimethylcyclopentane
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Normal alkane RI, non-polar column, temperature ramp
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 | Capillary | Capillary | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | Polydimethyl siloxane: CP-Sil 5 CB | Petrocol DH | OV-101 | Squalane | Squalane |
| Column length (m) | 60. | 100. | 50. | 100. | 100. |
| Carrier gas | Helium | Helium | Helium | ||
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.25 | 0.20 | 0.25 | 0.25 |
| Phase thickness (μm) | 1.0 | 0.50 | 0.50 | ||
| Tstart (C) | 45. | 20. | 30. | ||
| Tend (C) | 210. | 220. | 100. | ||
| Heat rate (K/min) | 3.6 | 15. | 1. | 0.1 | 0.2 |
| Initial hold (min) | 1.45 | 15. | 6. | ||
| Final hold (min) | 2.72 | 30. | |||
| I | 763. | 758. | 759. | 762.6 | 763.9 |
| Reference | Bramston-Cook, 2013 | Supelco, 2012 | Orav, Kailas, et al., 1999 | Krupcik, Cellar, et al., 1986 | Krupcik, Cellar, et al., 1986 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | Squalane | Squalane | Squalane | Squalane | Squalane |
| Column length (m) | 100. | 100. | 100. | 100. | 180. |
| Carrier gas | |||||
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Phase thickness (μm) | |||||
| Tstart (C) | 40. | ||||
| Tend (C) | |||||
| Heat rate (K/min) | 0.4 | 0.6 | 0.8 | 1. | 0.1 |
| Initial hold (min) | |||||
| Final hold (min) | |||||
| I | 766.1 | 767.9 | 769.4 | 770.8 | 762. |
| Reference | Krupcik, Cellar, et al., 1986 | Krupcik, Cellar, et al., 1986 | Krupcik, Cellar, et al., 1986 | Krupcik, Cellar, et al., 1986 | Krupcik, Cellar, et al., 1986, 2 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
| Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
|---|---|---|---|---|---|
| Active phase | Squalane | Squalane | Squalane | Squalane | Squalane |
| Column length (m) | 180. | 180. | 180. | 180. | 180. |
| Carrier gas | |||||
| Substrate | |||||
| Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| Phase thickness (μm) | |||||
| Tstart (C) | 40. | 40. | 40. | 40. | 40. |
| Tend (C) | |||||
| Heat rate (K/min) | 0.2 | 0.4 | 0.6 | 0.8 | 1.0 |
| Initial hold (min) | |||||
| Final hold (min) | |||||
| I | 764. | 766. | 767. | 769. | 770. |
| Reference | Krupcik, Cellar, et al., 1986, 2 | Krupcik, Cellar, et al., 1986, 2 | Krupcik, Cellar, et al., 1986, 2 | Krupcik, Cellar, et al., 1986, 2 | Krupcik, Cellar, et al., 1986, 2 |
| Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Bramston-Cook, 2013
Bramston-Cook, R.,
Kovats indices for C2-C13 hydrocarbons and selected oxygenated/halocarbons with 100 % dimethylpolysiloxane columns, 2013, retrieved from http://lotusinstruments.com/monographs/List .... [all data]
Supelco, 2012
Supelco, CatalogNo. 24160-U,
Petrocol DH Columns. Catalog No. 24160-U, 2012, retrieved from http://www.sigmaaldrich.com/etc/medialib/docs/Supelco/Datasheet/1/w97949.Par.0001.File.tmp/w97949.pdf. [all data]
Orav, Kailas, et al., 1999
Orav, A.; Kailas, T.; Muurisepp, M.; Kann, J.,
Composition of the oil from waste tires. 1. Fraction boiling at yp to 160 0C,
Proc. Estonian Acad. Sci. Chem., 1999, 48, 1, 30-39. [all data]
Krupcik, Cellar, et al., 1986
Krupcik, J.; Cellar, P.; Repka, D.; Garaj, J.; Guiochon, G.,
Use of Kováts retention indices for characterization of solutes in linear temperature-programmed capillary gas-liquid chromatography,
J. Chromatogr., 1986, 351, 111-121, https://doi.org/10.1016/S0021-9673(01)83477-4
. [all data]
Krupcik, Cellar, et al., 1986, 2
Krupcik, J.; Cellar, P.; Repka, D.,
Analyza cyklickych a aromatickych uhlovodnikov s poctom uhlikovych atomov 8 kapilarnou plynovou chromatografiou,
Ropa a Uhlie, 1986, 28, 8, 485-495. [all data]
Notes
Go To: Top, Normal alkane RI, non-polar column, temperature ramp, References
- Symbols used in this document:
Tend Final temperature Tstart Initial temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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