Heptane, 3-methyl-
- Formula: C8H18
- Molecular weight: 114.2285
- IUPAC Standard InChIKey: LAIUFBWHERIJIH-UHFFFAOYSA-N
- CAS Registry Number: 589-81-1
- 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. - Isotopologues:
- Stereoisomers:
- Other names: 3-Methylheptane; 2-Ethylhexane
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Gas phase thermochemistry data
Go To: Top, Reaction thermochemistry data, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -212.6 ± 1.1 | kJ/mol | Ccb | Prosen and Rossini, 1945 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 465.89 ± 0.84 | J/mol*K | N/A | Finke H.L., 1973 | GT |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
132.67 | 200. | Scott D.W., 1974 | Recommended values were obtained from the consistent correlation scheme for alkanes [ Scott D.W., 1974, 2, Scott D.W., 1974]. This approach gives a good agreement with experimental data available for alkanes. However, large uncertainties could be expected at high temperatures.; GT |
172.30 | 273.15 | ||
185.8 ± 0.5 | 298.15 | ||
186.82 | 300. | ||
240.16 | 400. | ||
287.82 | 500. | ||
328.03 | 600. | ||
362.33 | 700. | ||
391.20 | 800. | ||
415.47 | 900. | ||
436.39 | 1000. | ||
454.38 | 1100. | ||
470.28 | 1200. | ||
485.34 | 1300. | ||
497.90 | 1400. | ||
510.45 | 1500. |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Gas Chromatography, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C8H18 = C8H18
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -2.6 ± 0.79 | kJ/mol | Ciso | Prosen and Rossini, 1945, 2 | liquid phase; Calculated from ΔHc |
By formula: C8H16 + H2 = C8H18
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -124.6 ± 0.6 | kJ/mol | Chyd | Rogers, Dejroongruang, et al., 1992 | liquid phase; solvent: Cyclohexane |
By formula: C8H18 = C8H18
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.86 ± 0.42 | kJ/mol | Eqk | Roganov, Kabo, et al., 1972 | gas phase; At 1368 K |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 60. | 773.8 | Chen, Liang, et al., 2001 | He; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 773. | Heinzen, Soares, et al., 1999 | |
Capillary | OV-101 | 0. | 772. | Skrbic, 1997 | |
Capillary | CP Sil 2 | 60. | 763.5 | Estel, Mohnke, et al., 1995 | 100. m/0.25 mm/0.25 μm |
Capillary | CP Sil 2 | 60. | 771.9 | Estel, Mohnke, et al., 1995 | 100. m/0.25 mm/0.25 μm |
Capillary | OV-101 | 150. | 776.6 | Cha and Lee, 1994 | Column length: 20. m; Column diameter: 0.5 mm |
Capillary | OV-101 | 180. | 778.0 | Cha and Lee, 1994 | Column length: 20. m; Column diameter: 0.5 mm |
Capillary | Squalane | 25. | 772. | Hilal, Carreira, et al., 1994 | |
Capillary | Methyl Silicone | 40. | 774. | Takeda, 1991 | Column length: 50. m; Column diameter: 0.20 mm |
Capillary | Methyl Silicone | 80. | 775. | Takeda, 1991 | Column length: 50. m; Column diameter: 0.20 mm |
Capillary | OV-1 | 60. | 774. | Engewald, Maurer, et al., 1989 | |
Capillary | OV-101 | 40. | 772. | Laub and Purnell, 1988 | |
Capillary | OV-101 | 60. | 773. | Laub and Purnell, 1988 | |
Capillary | OV-101 | 80. | 774. | Laub and Purnell, 1988 | |
Capillary | Squalane | 50. | 772. | Lunskii and Paizanskaya, 1988 | He; Column length: 50. m; Column diameter: 0.22 mm |
Capillary | Squalane | 70. | 772.8 | Lunskii and Paizanskaya, 1988 | He; Column length: 50. m; Column diameter: 0.22 mm |
Capillary | OV-101 | 40. | 773.3 | Boneva and Dimov, 1986 | 100. m/0.27 mm/0.9 μm |
Capillary | OV-101 | 50. | 773.5 | Boneva and Dimov, 1986 | 100. m/0.27 mm/0.9 μm |
Capillary | OV-101 | 60. | 773.9 | Boneva and Dimov, 1986 | 100. m/0.27 mm/0.9 μm |
Capillary | OV-101 | 70. | 774.1 | Boneva and Dimov, 1986 | 100. m/0.27 mm/0.9 μm |
Capillary | OV-101 | 30. | 772. | Chien, Furio, et al., 1983 | |
Capillary | OV-101 | 40. | 772. | Chien, Furio, et al., 1983 | |
Capillary | OV-101 | 50. | 772. | Chien, Furio, et al., 1983 | |
Capillary | OV-101 | 60. | 773. | Chien, Furio, et al., 1983 | |
Capillary | OV-101 | 70. | 773. | Chien, Furio, et al., 1983 | |
Capillary | OV-101 | 80. | 774. | Chien, Furio, et al., 1983 | |
Capillary | DB-1 | 60. | 774.2 | Lubeck and Sutton, 1983 | Column length: 60. m; Column diameter: 0.264 mm |
Capillary | DB-1 | 60. | 774.3 | Lubeck and Sutton, 1983 | 60. m/0.259 mm/1. μm |
Capillary | OV-1 | 50. | 773. | Anders, Scheller, et al., 1982 | Column length: 55. m; Column diameter: 0.21 mm |
Capillary | OV-101 | 50. | 774. | Johansen and Ettre, 1982 | 100. m/0.27 mm/0.20 μm |
Capillary | OV-101 | 50. | 774. | Johansen and Ettre, 1982 | 55. m/0.27 mm/0.9 μm |
Capillary | SF-96 | 50. | 773. | Johansen and Ettre, 1982 | 91.4 m/0.31 mm/0.20 μm |
Capillary | OV-1 | 60. | 762. | Nijs and Jacobs, 1981 | He; Column length: 150. m; Column diameter: 0.50 mm |
Packed | Triacontane | 80. | 772. | Castello and D'Amato, 1979 | He, Chromosorb W AW (60-80 mesh); Column length: 3. m |
Packed | Squalane | 80. | 773. | Castello and D'Amato, 1979 | He, Chromosorb W AW (60-80 mesh); Column length: 3. m |
Packed | OV-1 | 80. | 774. | Dimov and Papazova, 1979 | Chromosorb W AW DMCS (80-100 mesh); Column length: 4. m |
Packed | SE-30 | 80. | 775. | Dimov and Papazova, 1979 | Chromosorb W AW DMCS (80-100 mesh); Column length: 4. m |
Capillary | Squalane | 86. | 772.6 | Nabivach and Kirilenko, 1979 | N2; Column length: 50. m |
Capillary | Squalane | 86. | 773.0 | Nabivach and Kirilenko, 1979 | N2; Column length: 50. m |
Capillary | Squalane | 70. | 772.8 | Nabivach and Kirilenko, 1979 | N2; Column length: 50. m |
Capillary | Squalane | 70. | 773.0 | Nabivach and Kirilenko, 1979 | N2; Column length: 50. m |
Capillary | Squalane | 60. | 773. | Chretien and Dubois, 1976 | |
Capillary | Squalane | 100. | 772. | Lulova, Leont'eva, et al., 1976 | He; Column length: 120. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 772. | Lulova, Leont'eva, et al., 1976 | He; Column length: 120. m; Column diameter: 0.25 mm |
Capillary | Squalane | 50. | 772. | Rijks and Cramers, 1974 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 773. | Rijks and Cramers, 1974 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Packed | SF-96 | 100. | 775.11 | Castello, Berg, et al., 1973 | Chromosorb P(DMCS); Column length: 4. m |
Packed | SF-96 | 110. | 775.75 | Castello, Berg, et al., 1973 | Chromosorb P(DMCS); Column length: 4. m |
Packed | SF-96 | 120. | 776.18 | Castello, Berg, et al., 1973 | Chromosorb P(DMCS); Column length: 4. m |
Packed | SF-96 | 80. | 774.38 | Castello, Berg, et al., 1973 | Chromosorb P(DMCS); Column length: 4. m |
Packed | SF-96 | 90. | 774.76 | Castello, Berg, et al., 1973 | Chromosorb P(DMCS); Column length: 4. m |
Capillary | OV-101 | 50. | 773. | Pacáková, Hoch, et al., 1973 | 25. m/0.25 mm/1.39 μm, N2 |
Capillary | OV-101 | 50. | 774. | Pacáková, Hoch, et al., 1973 | 25. m/0.25 mm/1.39 μm, N2 |
Capillary | OV-101 | 60. | 774. | Pacáková, Hoch, et al., 1973 | 25. m/0.25 mm/1.39 μm, N2 |
Capillary | OV-101 | 60. | 774. | Pacáková, Hoch, et al., 1973 | 25. m/0.25 mm/1.39 μm, N2 |
Capillary | Squalane | 40. | 772. | Schomburg and Dielmann, 1973 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Vacuum Grease Oil (VM-4) | 35. | 770. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 45. | 771. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 50. | 771. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 58. | 771. | Sidorov, Petrova, et al., 1972 | |
Capillary | Vacuum Grease Oil (VM-4) | 68. | 772. | Sidorov, Petrova, et al., 1972 | |
Capillary | Squalane | 70. | 772.2 | Dimov and Schopov, 1971 | Column length: 100. m; Column diameter: 0.25 mm |
Packed | SE-30 | 75. | 775. | Robinson and Odell, 1971 | N2, Chromosorb W; Column length: 6.1 m |
Packed | Squalane | 100. | 774. | Robinson and Odell, 1971 | N2, Embacel; Column length: 3.0 m |
Packed | Squalane | 50. | 773. | Takács, Szita, et al., 1971 | N2, Chromosorb W; Column length: 3. m |
Capillary | Squalane | 70. | 772. | Cramers, Rijks, et al., 1970 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 773. | Cramers, Rijks, et al., 1970 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 773. | Cramers, Rijks, et al., 1970 | Column length: 100. m; Column diameter: 0.25 mm |
Packed | SE-30 | 80. | 775. | Mitra and Saha, 1970 | N2 |
Packed | Squalane | 25. | 770. | Mitra and Saha, 1970 | N2 |
Packed | Squalane | 80. | 773. | Mitra and Saha, 1970 | N2 |
Capillary | Squalane | 40. | 772. | Matukuma, 1969 | N2; Column length: 91.4 m; Column diameter: 0.25 mm |
Packed | Squalane | 27. | 772. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 772. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 772. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 774. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 30. | 773. | Tourres, 1967 | H2; Column length: 10. m |
Packed | Squalane | 50. | 773.5 | Tourres, 1967 | H2; Column length: 10. m |
Capillary | Squalane | 30. | 772. | Tourres, 1967, 2 | H2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 50. | 773. | Tourres, 1967, 2 | H2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 774. | Tourres, 1967, 2 | H2; Column length: 100. m; Column diameter: 0.25 mm |
Packed | SE-30 | 70. | 774. | Widmer, 1967 | Diatoport S; Column length: 7.9 m |
Packed | Squalane | 100. | 774. | Evans, 1966 | Untreated celite; Column length: 1.8 m |
Packed | Squalane | 22. | 769. | Evans, 1966 | Untreated celite; Column length: 1.8 m |
Packed | Squalane | 40. | 772. | Evans, 1966 | Untreated celite; Column length: 1.8 m |
Packed | Squalane | 55. | 773. | Evans, 1966 | Untreated celite; Column length: 1.8 m |
Packed | Squalane | 60. | 772. | Evans, 1966 | Untreated celite; Column length: 1.8 m |
Packed | Squalane | 70. | 773. | Evans, 1966 | Untreated celite; Column length: 1.8 m |
Packed | Squalane | 80. | 773. | Evans, 1966 | Untreated celite; Column length: 1.8 m |
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-54 | 770. | Rembold, Wallner, et al., 1989 | 30. m/0.25 mm/0.25 μm, He, 0. C @ 12. min, 12. K/min; Tend: 250. C |
Capillary | OV-101 | 769. | Hayes and Pitzer, 1982 | 110. m/0.25 mm/0.20 μm, He, 1. K/min; Tstart: 35. C; Tend: 200. C |
Capillary | Apiezon L | 769. | Louis, 1971 | N2, 1. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH-100 | 771.7 | Haagen-Smit Laboratory, 1997 | He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min) |
Capillary | DB-1 | 776. | Hoekman, 1993 | 60. m/0.32 mm/1.0 μm, He; Program: -40 C for 12 min; -40 - 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 - 220 C at 20 deg/min; hold 220 C for 2 min |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SPB-5 | 773. | Engel and Ratel, 2007 | 60. m/0.32 mm/1. μm, 40. C @ 2. min, 3. K/min, 230. C @ 10. min |
Capillary | HP-5 | 783. | Insausti, Goñi, et al., 2005 | 50. m/0.32 mm/1.05 μm, He, 35. C @ 15. min, 8. K/min, 220. C @ 5. min |
Capillary | Petrocol DH | 774.3 | Censullo, Jones, et al., 2003 | 50. m/0.25 mm/0.5 μm, He, 35. C @ 10. min, 3. K/min, 200. C @ 10. min |
Capillary | SPB-1 | 769.27 | LECO Corporation, 2003 | 30. m/0.25 mm/0.25 μm, 40. C @ 2. min, 10. K/min, 250. C @ 2. min |
Capillary | SPB-1 | 769.73 | LECO Corporation, 2003 | 30. m/0.25 mm/0.25 μm, 40. C @ 2. min, 10. K/min, 250. C @ 2. min |
Capillary | SPB-1 | 764.58 | LECO Corporation, 2003 | 30. m/0.25 mm/0.25 μm, 40. C @ 2. min, 10. K/min, 250. C @ 2. min |
Capillary | DB-5 | 770.8 | Xu, van Stee, et al., 2003 | 30. m/0.25 mm/1. μm, He, 2.5 K/min; Tstart: 50. C; Tend: 200. C |
Capillary | OV-101 | 772.1 | Yin, Liu, et al., 2001 | N2, 1. K/min; Column length: 80. m; Column diameter: 0.22 mm; Tstart: 30. C; Tend: 130. C |
Capillary | PONA | 768.7 | Martos, Saraullo, et al., 1997 | 50. m/0.2 mm/0.5 μm, 35. C @ 0.5 min, 1. K/min, 220. C @ 8. min |
Capillary | PONA | 769.0 | Martos, Saraullo, et al., 1997 | 50. m/0.2 mm/0.5 μm, 35. C @ 0.5 min, 1. K/min, 220. C @ 8. min |
Capillary | Petrocol DH | 770.31 | Subramaniam, Bochniak, et al., 1994 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Capillary | Petrocol DH | 771.67 | Subramaniam, Bochniak, et al., 1994 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Capillary | Petrocol DH | 770.68 | White, Douglas, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Capillary | Petrocol DH | 770.98 | White, Douglas, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Capillary | Petrocol DH | 771. | White, Hackett, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Capillary | Methyl Silicone | 771. | Takeda, 1991 | 20. C @ 5. min, 2. K/min; Column length: 50. m; Column diameter: 0.20 mm; Tend: 250. C |
Capillary | HP-1 | 773.7 | Bangjie, Xijian, et al., 1987 | N2, 10. K/min; Column length: 25. m; Column diameter: 0.2 mm; Tstart: 30. C |
Capillary | HP-1 | 773.3 | Bangjie, Xijian, et al., 1987 | N2, 2. K/min; Column length: 25. m; Column diameter: 0.2 mm; Tstart: 30. C |
Capillary | HP-1 | 772.9 | Bangjie, Xijian, et al., 1987 | N2, 30. C @ 5. min, 5. K/min; Column length: 25. m; Column diameter: 0.2 mm |
Capillary | Ultra-1 | 773.42 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 1. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-1 | 773.79 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 2. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-1 | 774.07 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 3. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-2 | 773.02 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 1. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-2 | 773.47 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 2. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | Ultra-2 | 773.76 | Haynes and Pitzer, 1985 | 50. m/0.22 mm/0.33 μm, He, 3. K/min; Tstart: -30. C; Tend: 240. C |
Capillary | OV-101 | 769. | Hayes and Pitzer, 1981 | 108. m/0.25 mm/0.2 μm, 1. K/min; Tstart: 35. C; Tend: 200. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 767. | Zaikin and Borisov, 2002 | He; Column length: 30. m; Column diameter: 0.25 mm; Program: 30C => 5K/min=120C => 10C/min => 270C |
Capillary | Methyl Silicone | 784.63 | Hassoun, Pilling, et al., 1999 | 50. m/0.25 mm/1. μm, He; Program: -50C(2min) => 49.9C/min => 35C(10min) => 3C/min => 200C(2min) => 40C/min => 240C(30min) |
Capillary | OV-101 | 772. | Wu and Lu, 1984 | Program: not specified |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Supelcowax-10 | 764. | Elmore, Nisyrios, et al., 2005 | 60. m/0.25 mm/0.25 μm, He, 40. C @ 2. min, 4. K/min; Tend: 280. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 40. | 773. | Li and Deng, 1998 | N2; Column length: 51. m; Column diameter: 0.25 mm |
Capillary | Methyl Silicone | 50. | 772. | N/A | N2; Column length: 74.6 m; Column diameter: 0.28 mm |
Capillary | OV-101 | 50. | 773. | Wu and Lu, 1984, 2 | |
Capillary | OV-101 | 70. | 774. | Wu and Lu, 1984, 2 | |
Capillary | Squalane | 100. | 774. | Dimov N., 1976 | |
Capillary | Squalane | 70. | 773. | Dimov N., 1976 | |
Capillary | Squalane | 86. | 765. | Vigdergauz and Martynov, 1971 | He; Column length: 150. m; Column diameter: 0.35 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane: CP-Sil 5 CB | 775. | Bramston-Cook, 2013 | 60. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min |
Capillary | Petrocol DH | 771. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Capillary | PONA | 774. | Zhang, Ding, et al., 2009 | 50. m/0.20 mm/0.50 μm, Nitrogen, 35. C @ 15. min, 2. K/min, 200. C @ 10. min |
Capillary | OV-1 | 772.2 | Krkosova, Kubinec, et al., 2007 | 100. m/0.32 mm/0.25 μm, Helium, 5. K/min, 310. C @ 5. min; Tstart: 30. C |
Capillary | OV-101 | 773. | Orav, Kailas, et al., 1999 | 50. m/0.20 mm/0.50 μm, Helium, 30. C @ 6. min, 1. K/min; Tend: 100. C |
Capillary | OV-101 | 775. | Zenkevich and Ventura, 1991 | Helium, 50. C @ 0. min, 5. K/min, 240. C @ 0. min; Column length: 54. m; Column diameter: 0.26 mm |
Capillary | SE-30 | 770. | Hackett, Gibbon, et al., 1985 | He, 20. C @ 4. min, 2. K/min, 260. C @ 16. min; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | SF-96 | 777. | Donetzhuber, Johansson, et al., 1976 | Nitrogen, 3. K/min, 130. C @ 40. min; Column length: 111. m; Column diameter: 0.76 mm; Initial hold: 8. min |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-1 | 767. | Barra, Baldovini, et al., 2007 | 50. m/0.2 mm/0.33 μm, He; Program: 40C(2min) => 2C/min => 200C => 15C/min => 250C (30min) |
Capillary | Methyl Silicone | 774. | Chen and Feng, 2007 | Program: not specified |
Capillary | Methyl Silicone | 772. | Feng and Mu, 2007 | Program: not specified |
Capillary | Methyl Silicone | 775. | Blunden, Aneja, et al., 2005 | 60. m/0.32 mm/1.0 μm, Helium; Program: -50 0C (2 min) 8 0C/min -> 200 0C (7.75 min) 25 0C -> 225 0C (8 min) |
Capillary | OV-101 | 773. | Du and Liang, 2003 | Program: not specified |
Capillary | Polydimethyl siloxane | 773. | Junkes, Castanho, et al., 2003 | Program: not specified |
Capillary | Polydimethyl siloxanes | 772. | Yin, Guo, et al., 2001 | Program: not specified |
Capillary | CP-Sil5 CB MS | 773. | Tirillini, Verdelli, et al., 2000 | 50. m/0.32 mm/0.4 μm; Program: 0C (3min) => 3C/min => 50C => 5C/min => 220C (30min) |
Capillary | Methyl Silicone | 771. | Spieksma, 1999 | Program: not specified |
Capillary | DB-1 | 773. | Ciccioli, Cecinato, et al., 1994 | 60. m/0.32 mm/0.25 μm; Program: not specified |
Capillary | OV-101 | 772. | Skrbic and Cvejanov, 1993 | Program: not specified |
Capillary | SE-52 | 766. | van Langenhove and Schamp, 1986 | Column length: 100. m; Column diameter: 0.50 mm; Program: not specified |
Capillary | SE-52 | 775. | van Langenhove and Schamp, 1986 | Column length: 100. m; Column diameter: 0.50 mm; Program: not specified |
Capillary | Squalane | 769. | Petrov, 1984 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 774. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Packed | SE-30 | 777. | Robinson and Odell, 1971 | N2, Chromosorb W; Column length: 6.1 m; Program: 50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold) |
Packed | Squalane | 779. | Robinson and Odell, 1971 | N2, Embacel; Column length: 3.0 m; Program: 25C(5min) => 2C/min => 35 => 4C/min => 95C(hold) |
Packed | SE-30 | 777. | Robinson and Odell, 1971, 2 | Chrom W; Column length: 6.1 m; Program: 50C(10min) => 20C/min(2min) => 90C(6min) => 10C/min(6min) => (hold at 150C) |
Packed | Squalane | 779. | Robinson and Odell, 1971, 2 | Embacel; Column length: 3.0 m; Program: 25C(5min) => 2C/min(5min) => 4C/min(15min) => (hold at 95C) |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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Notes
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- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas S°gas Entropy of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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