Octanoic acid, ethyl ester
- Formula: C10H20O2
- Molecular weight: 172.2646
- IUPAC Standard InChIKey: YYZUSRORWSJGET-UHFFFAOYSA-N
- CAS Registry Number: 106-32-1
- 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:
- Other names: Ethyl caprylate; Ethyl octanoate; Ethyl octoate; Ethyl n-octanoate; Caprylic acid ethyl ester; n-Caprylic acid ethyl ester; Ethyl octylate; Ethyl ester of octanoic acid; octanoic acid ethyl ester (ethyl octanoate); Ethyl ester octanoic acid
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Van Den Dool and Kratz RI, 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 | DB-Wax | DB-Wax | Innowax | DB-Wax | Supelcowax-10 |
Column length (m) | 30. | 30. | 30. | 60. | 30. |
Carrier gas | He | He | H2 | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.5 |
Tstart (C) | 40. | 50. | 45. | 40. | 70. |
Tend (C) | 200. | 180. | 210. | 200. | 220. |
Heat rate (K/min) | 4. | 3.5 | 3.5 | 4. | 4. |
Initial hold (min) | 1. | 2. | 5. | 1. | 7. |
Final hold (min) | 10. | 25. | 20. | 10. | 20. |
I | 1440. | 1433. | 1446. | 1435. | 1448. |
Reference | Cho, Namgung, et al., 2008 | Botelho, Caldeira, et al., 2007 | Botelho, Caldeira, et al., 2007 | Cho I.H., Lee S.M., et al., 2007 | Arena, Guarrera, et al., 2006 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-Wax | DB-Wax | DB-Wax | DB-Wax | DB-Wax |
Column length (m) | 60. | 60. | 60. | 30. | 30. |
Carrier gas | He | He | He | He | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.32 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.5 | 0.5 |
Tstart (C) | 40. | 40. | 40. | 40. | 40. |
Tend (C) | 200. | 200. | 265. | 265. | 200. |
Heat rate (K/min) | 4. | 4. | 7. | 7. | 5. |
Initial hold (min) | 1. | 1. | 3. | ||
Final hold (min) | 10. | 10. | 5. | 5. | 8. |
I | 1440. | 1435. | 1444. | 1436. | 1444. |
Reference | Cho, Choi, et al., 2006 | Cho, Kim, et al., 2006 | Gurbuz O., Rouseff J.M., et al., 2006 | Gurbuz O., Rouseff J.M., et al., 2006 | Petka, Ferreira, et al., 2006 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | LM-120 | OV-351 | Stabilwax | DB-Wax | DB-Wax |
Column length (m) | 50. | 50. | 30. | 60. | 60. |
Carrier gas | He | N2 | He | He | |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.32 | 0.32 | 0.32 | 0.32 |
Phase thickness (μm) | 0.5 | 0.2 | 1. | 1. | 1. |
Tstart (C) | 50. | 60. | 40. | 45. | 45. |
Tend (C) | 240. | 220. | 230. | 250. | 250. |
Heat rate (K/min) | 3. | 5. | 4. | 5. | 5. |
Initial hold (min) | 2. | 1. | 1. | ||
Final hold (min) | 30. | 10. | 12. | 12. | |
I | 1454. | 1426. | 1438. | 1449. | 1463. |
Reference | Pinto, Guedes, et al., 2006 | Bonvehí, 2005 | Fang and Qian, 2005 | Malliaa, Fernandez-Garcia, et al., 2005 | Malliaa, Fernandez-Garcia, et al., 2005 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Innowax | Supelcowax-10 | ZB-Wax | OV-351 | DB-Wax |
Column length (m) | 30. | 30. | 30. | 50. | 30. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.32 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.15 | 0.2 | 0.25 |
Tstart (C) | 40. | 60. | 35. | 60. | 40. |
Tend (C) | 200. | 240. | 220. | 220. | 250. |
Heat rate (K/min) | 5. | 3. | 1.8 | 5. | 3. |
Initial hold (min) | 5. | 5. | 10. | ||
Final hold (min) | 2. | 10. | 10. | 20. | |
I | 1432. | 1431. | 1428. | 1426. | 1412. |
Reference | Pena, Barciela, et al., 2005 | Riu-Aumatell, Lopez-Tamames, et al., 2005 | Ledauphin, Saint-Clair, et al., 2004 | Bonvehi and Coll, 2003 | Brat, Rega, et al., 2003 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | AT-Wax | DB-Wax | DB-Wax | AT-Wax | AT-Wax |
Column length (m) | 60. | 30. | 60. | 60. | 60. |
Carrier gas | He | He | He | He | |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.32 | 0.32 | 0.32 |
Phase thickness (μm) | 0.25 | 0.5 | 0.5 | 0.25 | 0.25 |
Tstart (C) | 65. | 35. | 67. | 65. | 65. |
Tend (C) | 250. | 240. | 235. | 250. | 250. |
Heat rate (K/min) | 2. | 5. | 2.7 | 2. | 2. |
Initial hold (min) | 10. | 5. | 10. | 10. | |
Final hold (min) | 60. | 5. | 30. | 60. | 60. |
I | 1423. | 1441. | 1458. | 1425. | 1424. |
Reference | Pino, Almora, et al., 2003 | Rega, Fournier, et al., 2003 | Claudela, Dirningera, et al., 2002 | Pino, Marbot, et al., 2002 | Pino and Marbot, 2001 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | AT-Wax | Supelcowax-10 | Supelcowax-10 | Carbowax 20M | DB-Wax |
Column length (m) | 60. | 60. | 60. | 60. | 60. |
Carrier gas | He | He | He | He | He |
Substrate | |||||
Column diameter (mm) | 0.32 | 0.25 | 0.25 | 0.32 | 0.25 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.425 | |
Tstart (C) | 65. | 35. | 35. | 45. | 40. |
Tend (C) | 250. | 195. | 195. | 300. | 200. |
Heat rate (K/min) | 2. | 2. | 2. | 3. | 3. |
Initial hold (min) | 10. | 5. | 3. | 5. | |
Final hold (min) | 60. | 90. | 90. | 20. | |
I | 1425. | 1440. | 1439. | 1431. | 1392. |
Reference | Pino, Marbot, et al., 2001 | Chung, 2000 | Chung, 1999 | Mondello, Dugo, et al., 1995 | Sumitani, Suekane, et al., 1994 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | DB-Wax | DB-Wax | DB-Wax | DB-Wax | Carbowax 20M |
Column length (m) | 60. | 60. | 60. | 30. | 60. |
Carrier gas | He | He | He | ||
Substrate | |||||
Column diameter (mm) | 0.25 | 0.25 | 0.25 | 0.25 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | |||
Tstart (C) | 40. | 50. | 35. | 40. | 40. |
Tend (C) | 200. | 230. | 180. | 200. | 230. |
Heat rate (K/min) | 3. | 2. | 3. | 2. | |
Initial hold (min) | 5. | 4. | 5. | 10. | |
Final hold (min) | 30. | ||||
I | 1466. | 1429. | 1440. | 1431. | 1429. |
Reference | Sumitani, Suekane, et al., 1994 | Shiratsuchi, Shimoda, et al., 1993 | Stashenko, Macku, et al., 1992 | Umano, Hagi, et al., 1992 | Peppard and Ramus, 1988 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Capillary | Capillary | Capillary |
---|---|---|---|---|---|
Active phase | Carbowax 20M | Carbowax 20M | Carbowax 20M | Carbowax 20M | Carbowax 20M |
Column length (m) | 60. | 60. | 60. | 60. | 50. |
Carrier gas | He | ||||
Substrate | |||||
Column diameter (mm) | 0.32 | 0.32 | 0.32 | 0.32 | 0.32 |
Phase thickness (μm) | 0.25 | 0.25 | 0.25 | 0.25 | |
Tstart (C) | 40. | 40. | 40. | 40. | 50. |
Tend (C) | 230. | 230. | 230. | 230. | 200. |
Heat rate (K/min) | 2. | ||||
Initial hold (min) | 5. | ||||
Final hold (min) | 40. | ||||
I | 1432. | 1433. | 1434. | 1435. | 1419. |
Reference | Peppard and Ramus, 1988 | Peppard and Ramus, 1988 | Peppard and Ramus, 1988 | Peppard and Ramus, 1988 | Chen, Kuo, et al., 1986 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI | MSDC-RI |
Column type | Capillary | Capillary | Packed |
---|---|---|---|
Active phase | OV-351 | Carbowax 20M | Carbowax 20M |
Column length (m) | 25. | ||
Carrier gas | N2 | He | |
Substrate | Celite 545 | ||
Column diameter (mm) | 0.32 | ||
Phase thickness (μm) | |||
Tstart (C) | 100. | 50. | 75. |
Tend (C) | 230. | 160. | 228. |
Heat rate (K/min) | 6. | 1. | 4.6 |
Initial hold (min) | 10. | ||
Final hold (min) | |||
I | 1461. | 1430. | 1426. |
Reference | Korhonen, 1985 | Chen, Kuo, et al., 1982 | van den Dool and Kratz, 1963 |
Comment | MSDC-RI | MSDC-RI | MSDC-RI |
References
Go To: Top, Van Den Dool and Kratz RI, 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.
Cho, Namgung, et al., 2008
Cho, I.H.; Namgung, H.-J.; Choi, H.-K.; Kim, Y.-S.,
Volatiles and key odorants in the pileus and stipe of pine-mushroom (Tricholoma matsutake Sing.),
Food Chem., 2008, 106, 1, 71-76, https://doi.org/10.1016/j.foodchem.2007.05.047
. [all data]
Botelho, Caldeira, et al., 2007
Botelho, G.; Caldeira, I.; Mendes-Faia, A.; Clímaco, M.C.,
Evaluation of two quantitative gas chromatography-olfactometry methods for clonal red wines differentiation,
Flavour Fragr. J., 2007, 22, 5, 414-420, https://doi.org/10.1002/ffj.1815
. [all data]
Cho I.H., Lee S.M., et al., 2007
Cho I.H.; Lee S.M.; Kim S.Y.; Choi H.K.; Kim K.O.; Kim Y.S.,
Differentiation of aroma characteristics of pine-mushrooms (Tricholoma matsutake Sing.) of different grades using gas chromatography-olfactometry and sensory analysis,
J. Agric. Food Chem., 2007, 55, 6, 2323-2328, https://doi.org/10.1021/jf062702z
. [all data]
Arena, Guarrera, et al., 2006
Arena, E.; Guarrera, N.; Campisi, S.; Nicolosi Asmundo, C.,
Comparison of odour active compounds detected by gas-chromatography-olfactometry between hand-squeezed juices from different orange varieties,
Food Chem., 2006, 98, 1, 59-63, https://doi.org/10.1016/j.foodchem.2005.04.035
. [all data]
Cho, Choi, et al., 2006
Cho, I.H.; Choi, H.-K.; Kim, Y.-S.,
Difference in the volatile composition of pine-mushrooms (Tricholoma matsutake Sing.) according to their grades,
J. Agric. Food Chem., 2006, 54, 13, 4820-4825, https://doi.org/10.1021/jf0601416
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Cho, Kim, et al., 2006
Cho, I.H.; Kim, S.Y.; Choi, H.-K.; Kim, Y.-S.,
Characterization of Aroma-Active Compounds in Raw and Cooked Pine-Mushrooms (Tricholoma matsutake Sing.),
J. Agric. Food Chem., 2006, 54, 17, 6332-6335, https://doi.org/10.1021/jf060824l
. [all data]
Gurbuz O., Rouseff J.M., et al., 2006
Gurbuz O.; Rouseff J.M.; Rouseff R.L.,
Comparison of aroma volatiles in commercial Merlot and Cabernet Sauvignon wines using gas chromatography - Olfactometry and gas chromatography - Mass spectrometry,
J. Agric. Food Chem., 2006, 54, 11, 3990-3996, https://doi.org/10.1021/jf053278p
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Petka, Ferreira, et al., 2006
Petka, J.; Ferreira, V.; González-Viñas, M.A.; Cacho, J.,
Sensory and Chemical Characterization of the Aroma of a White Wine Made with Devín Grapes,
J. Agric. Food Chem., 2006, 54, 3, 909-915, https://doi.org/10.1021/jf0518397
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Pinto, Guedes, et al., 2006
Pinto, A.B.; Guedes, C.M.; Moreira, R.F.A.; de Maria, C.A.B.,
Volatile constituents from headspace and aqueous solution of genipap (Genipa americana) fruit isolated by the solid-phase extraction method,
Flavour Fragr. J., 2006, 21, 3, 488-491, https://doi.org/10.1002/ffj.1623
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Bonvehí, 2005
Bonvehí, J.S.,
Investigation of aromatic compounds in roasted cocoa powder,
Eur. Food Res. Technol., 2005, 221, 1-2, 19-29, https://doi.org/10.1007/s00217-005-1147-y
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Fang and Qian, 2005
Fang, Y.; Qian, M.,
Aroma compounds in Oregon Pinot Noir wine determined by aroma extract dilution analysis (AEDA),
Flavour Fragr. J., 2005, 20, 1, 22-29, https://doi.org/10.1002/ffj.1551
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Malliaa, Fernandez-Garcia, et al., 2005
Malliaa, S.; Fernandez-Garcia, E.; Bosset, J.O.,
Comparison of purge and trap and solid phase microextraction techniques for studying the volatile aroma compounds of three European PDO hard cheeses,
Int. Dairy J., 2005, 15, 6-9, 741-758, https://doi.org/10.1016/j.idairyj.2004.11.007
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Pena, Barciela, et al., 2005
Pena, R.M.; Barciela, J.; Herrero, C.; Garcia-Martin, S.,
Optimization of solid-phase microextraction methods for GC-MS determination of terpenes in wine,
J. Sci. Food Agric., 2005, 85, 7, 1227-1234, https://doi.org/10.1002/jsfa.2121
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Riu-Aumatell, Lopez-Tamames, et al., 2005
Riu-Aumatell, M.; Lopez-Tamames, E.; Buxaderas, S.,
Assessment of the Volatile Composition of Juices of Apricot, Peach, and Pear According to Two Pectolytic Treatments,
J. Agric. Food Chem., 2005, 53, 20, 7837-7843, https://doi.org/10.1021/jf051397z
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Ledauphin, Saint-Clair, et al., 2004
Ledauphin, J.; Saint-Clair, J.-F.; Lablanquie, O.; Guichard, H.; Founier, N.; Guichard, E.; Barillier, D.,
Identification of trace volatile compounds in freshly distilled calvados and cognac using preparative separations coupled with gas chromatography-mass spectrometry,
J. Agric. Food Chem., 2004, 52, 16, 5124-5134, https://doi.org/10.1021/jf040052y
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Bonvehi and Coll, 2003
Bonvehi, J.S.; Coll, F.V.,
Flavour index and aroma profiles of fresh and processed honeys,
J. Sci. Food Agric., 2003, 83, 4, 275-282, https://doi.org/10.1002/jsfa.1308
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Brat, Rega, et al., 2003
Brat, P.; Rega, B.; Alter, P.; Reynes, M.; Brillouet, J.-M.,
Distribution of volatile compounds in the pulp, cloud, and serum of freshly squeezed orange juice,
J. Agric. Food Chem., 2003, 51, 11, 3442-3447, https://doi.org/10.1021/jf026226y
. [all data]
Pino, Almora, et al., 2003
Pino, J.; Almora, K.; Marbot, R.,
Volatile components of papaya (Carica papaya L., maradol variety) fruit,
Flavour Fragr. J., 2003, 18, 6, 492-496, https://doi.org/10.1002/ffj.1248
. [all data]
Rega, Fournier, et al., 2003
Rega, B.; Fournier, N.; Guichard, E.,
Solid phase microextraction (SPME) of orange juice flavor: odor representativeness by direct gas chromatography olfactometry (D-GC-O),
J. Agric. Food Chem., 2003, 51, 24, 7092-7099, https://doi.org/10.1021/jf034384z
. [all data]
Claudela, Dirningera, et al., 2002
Claudela, P.; Dirningera, N.; Etievant, P.,
Effects of water on gas chromatographic column efficiency measurements applied to on-column injections of volatile aroma compounds,
J. Sep. Sci., 2002, 25, 5-6, 365-370, https://doi.org/10.1002/1615-9314(20020401)25:5/6<365::AID-JSSC365>3.0.CO;2-Y
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Pino, Marbot, et al., 2002
Pino, J.A.; Marbot, R.; Vázquez, C.,
Characterization of volatile in Cosa Rican Guava [Psidium friedrichsthalianum (Berg) Niedenzu] fruit,
J. Agric. Food Chem., 2002, 50, 21, 6023-6026, https://doi.org/10.1021/jf011456i
. [all data]
Pino and Marbot, 2001
Pino, J.A.; Marbot, R.,
Volatile flavor constituents of acerola (Malpighia emarginata DC.) fruit,
J. Agric. Food Chem., 2001, 49, 12, 5880-5882, https://doi.org/10.1021/jf010270g
. [all data]
Pino, Marbot, et al., 2001
Pino, J.A.; Marbot, R.; Vázquez, C.,
Characterization of volatiles in strawberry guava (Psidium cattleianum Sabine) fruit,
J. Agric. Food Chem., 2001, 49, 12, 5883-5887, https://doi.org/10.1021/jf010414r
. [all data]
Chung, 2000
Chung, H.Y.,
Volatile flavor components in red fermented soybean (Glycine max) curds,
J. Agric. Food Chem., 2000, 48, 5, 1803-1809, https://doi.org/10.1021/jf991272s
. [all data]
Chung, 1999
Chung, H.Y.,
Volatile components in fermented soybean (Glycine max) curds,
J. Agric. Food Chem., 1999, 47, 7, 2690-2696, https://doi.org/10.1021/jf981166a
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Mondello, Dugo, et al., 1995
Mondello, L.; Dugo, P.; Basile, A.; Dugo, G.,
Interactive use of linear retention indices, on polar and apolar columns, with a MS-library for reliable identification of complex mixtures,
J. Microcolumn Sep., 1995, 7, 6, 581-591, https://doi.org/10.1002/mcs.1220070605
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Sumitani, Suekane, et al., 1994
Sumitani, H.; Suekane, S.; Nakatani, A.; Tatsuka, K.,
Changes in composition of volatile compounds in high pressure treated peach,
J. Agric. Food Chem., 1994, 42, 3, 785-790, https://doi.org/10.1021/jf00039a037
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Shiratsuchi, Shimoda, et al., 1993
Shiratsuchi, H.; Shimoda, M.; Minegishi, Y.; Osajima, Y.,
Isolation and identification of volatile flavor compounds in nonfermented coarse-cut sausage. Flavor as a quality factor of nonfermented sausage. 1,
J. Agric. Food Chem., 1993, 41, 4, 647-652, https://doi.org/10.1021/jf00028a027
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Stashenko, Macku, et al., 1992
Stashenko, H.; Macku, C.; Shibamato, T.,
Monitoring volatile chemicals formed from must during yeast fermentation,
J. Agric. Food Chem., 1992, 40, 11, 2257-2259, https://doi.org/10.1021/jf00023a040
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Umano, Hagi, et al., 1992
Umano, K.; Hagi, Y.; Nakahara, K.; Shoji, A.; Shibamoto, T.,
Volatile constituents of green and ripened pineapple (Aanas comosus [L.] Merr.),
J. Agric. Food Chem., 1992, 40, 4, 599-603, https://doi.org/10.1021/jf00016a014
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Peppard and Ramus, 1988
Peppard, T.L.; Ramus, S.A.,
Use of Kovats' gas chromatographic retention indices in beer flavor studies,
Am. Soc. Brew. Chem. Proc., 1988, 46, 2, 26-30. [all data]
Chen, Kuo, et al., 1986
Chen, C.-C.; Kuo, M.-C.; Liu, S.-E.; Wu, C.-M.,
Volatile components of salted and pickled prunes (Prunus mume Sieb. et Zucc.),
J. Agric. Food Chem., 1986, 34, 1, 140-144, https://doi.org/10.1021/jf00067a038
. [all data]
Korhonen, 1985
Korhonen, I.O.O.,
Gas-liquid chromatographic analyses. XLIII. Retention increments for 2-chloro-, 2,2-dichloro- and 2,2,2-trichloroethyl esters of aliphatic C2-C20 n-alkanoic acids on SE-30 and OV-351 capillary columns,
J. Chromatogr., 1985, 329, 43-56, https://doi.org/10.1016/S0021-9673(01)81894-X
. [all data]
Chen, Kuo, et al., 1982
Chen, C.-C.; Kuo, M.-C.; Hwang, L.S.; Wu, J.S.-B.; Wu, C.-M.,
Headspace components of passion fruit juice,
J. Agric. Food Chem., 1982, 30, 6, 1211-1215, https://doi.org/10.1021/jf00114a052
. [all data]
van den Dool and Kratz, 1963
van den Dool, H.; Kratz, P. Dec.,
A generalization of the retention index system including linear temperature programmed gas-liquid partition chromatography,
J. Chromatogr., 1963, 11, 463-471, https://doi.org/10.1016/S0021-9673(01)80947-X
. [all data]
Notes
Go To: Top, Van Den Dool and Kratz RI, 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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