Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

«alpha»-Copaene


Kovats' 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 CapillaryCapillaryCapillaryCapillaryCapillary
Active phase StabilwaxSupelcowax-10HP-WaxDB-WaxInnowax
Column length (m) 30.30.50.30.30.
Carrier gas N2 HeHeHe
Substrate      
Column diameter (mm) 0.320.250.20.320.25
Phase thickness (mum) 1.0.250.40.250.25
Tstart (C) 50.40.60.40.50.
Tend (C) 220.210.230.220.250.
Heat rate (K/min) 2.2.4.3.0.5
Initial hold (min) 3.2. 5.5.
Final hold (min) 15.33.30. 10.
I 1509.1496.1513.1475.1477.
ReferenceHazzit, Baaliouamer, et al., 2006Sylvestre, Pichette, et al., 2006Gauvin, Lecomte, et al., 2004Lopes, Strobl, et al., 2004Viña and Murillo, 2003
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase Supelcowax-10Carbowax 20MSupelcowax-10Supelcowax-10Supelcowax-10
Column length (m) 30.25.30.30.30.
Carrier gas HeN2   
Substrate      
Column diameter (mm) 0.320.25   
Phase thickness (mum) 0.25    
Tstart (C) 75.60.40.40.40.
Tend (C) 230.200.210.210.210.
Heat rate (K/min) 3.5.2.2.2.
Initial hold (min)   2.2.2.
Final hold (min)   120.120.120.
I 1492.1495.1492.1485.1485.
ReferenceTzakou and Couladis, 2001Kulkarni, Mallavarapu, et al., 1998Loayza, Abujder, et al., 1995Loayza, Abujder, et al., 1995Loayza, Abujder, et al., 1995
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase DB-WaxSupelcowax-10BP-20Carbowax 20MCarbowax 20M
Column length (m) 60.60.25.50.100.
Carrier gas HeHe H2 
Substrate      
Column diameter (mm) 0.250.250.3320.30.28
Phase thickness (mum)    0.15 
Tstart (C) 40.35.70.70.80.
Tend (C) 200.200.200.210.200.
Heat rate (K/min) 2.3.4.2.3.
Initial hold (min) 2.5.2.  
Final hold (min)  20.   
I 1488.1489.1501.1474.1476.
ReferenceUmano, Hagi, et al., 1994Wong and Tie, 1993Wyllie, Cook, et al., 1987Gaydou, Randriamiharisoa, et al., 1986Bernhard, Shibamoto, et al., 1983
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase Carbowax 20MCarbowax 20MCarbowax 20MCarbowax 20MCarbowax 20M
Column length (m) 100.150.50.50.50.
Carrier gas  He  He
Substrate      
Column diameter (mm) 0.280.640.280.280.28
Phase thickness (mum)      
Tstart (C) 80.50.80.80.70.
Tend (C) 200.170.200.200.190.
Heat rate (K/min) 3.1.2.2.2.
Initial hold (min)  30.   
Final hold (min)      
I 1477.1460.1475.1478.1491.
ReferenceBernhard, Shibamoto, et al., 1983Buttery, Kamm, et al., 1982Toda, Yamaguchi, et al., 1982Toda, Yamaguchi, et al., 1982Tressl, Friese, et al., 1978
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI

References

Go To: Top, Kovats' 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.

Hazzit, Baaliouamer, et al., 2006
Hazzit, M.; Baaliouamer, A.; Faleiro, M.L.; Miguel, M.G., Composition of the Essential Oils of Thymus and Origanum Species from Algeria and Their Antioxidant and Antimicrobial Activities, J. Agric. Food Chem., 2006, 54, 17, 6314-6321, https://doi.org/10.1021/jf0606104 . [all data]

Sylvestre, Pichette, et al., 2006
Sylvestre, M.; Pichette, A.; Longtin, A.; Nagau, F.; Legault, J., Essential oil analysis and anticancer activity of leaf essential oil of Croton flavens L. from Guadeloupe, J. Ethnopharmacol., 2006, 103, 1, 99-102, https://doi.org/10.1016/j.jep.2005.07.011 . [all data]

Gauvin, Lecomte, et al., 2004
Gauvin, A.; Lecomte, H.; Smadja, J., Comparative investigations of the essential oils of two scented geranium (Pelargonium spp.) cultivars grown on Reunion Island, Flavour Fragr. J., 2004, 19, 5, 455-460, https://doi.org/10.1002/ffj.1354 . [all data]

Lopes, Strobl, et al., 2004
Lopes, D.; Strobl, H.; Kolodziejczyk, P., 14-Methylpentadecano-15-lactone (Muscolide): a new macrocyclic lactone from the oil of Angelica archangelica L., Chemistry and Biodiversity, 2004, 1, 12, 1880-1887, https://doi.org/10.1002/cbdv.200490144 . [all data]

Viña and Murillo, 2003
Viña, A.; Murillo, E., Essential oil composition from twelve varieties of basil (Ocimum spp) grown in Columbia, J. Braz. Chem. Soc., 2003, 14, 5, 744-749, https://doi.org/10.1590/S0103-50532003000500008 . [all data]

Tzakou and Couladis, 2001
Tzakou, O.; Couladis, M., The essential oil of Micromeria graeca (L.) Bentham et Reichenb. growing in Greece, Flavour Fragr. J., 2001, 16, 2, 107-109, https://doi.org/10.1002/ffj.955 . [all data]

Kulkarni, Mallavarapu, et al., 1998
Kulkarni, R.N.; Mallavarapu, G.R.; Baskaran, K.; Ramesch, S.; Kumar, S., Composition of the essential oils of two isomenthone-rich variants of geranium (Pelargonium sp.), Flavour Fragr. J., 1998, 13, 6, 389-392, https://doi.org/10.1002/(SICI)1099-1026(199811/12)13:6<389::AID-FFJ757>3.0.CO;2-2 . [all data]

Loayza, Abujder, et al., 1995
Loayza, I.; Abujder, D.; Aranda, R.; Jakupovic, J.; Collin, G.; Deslauriers, H.; Jean, F.-I., Essential oils of Baccharis salicifolia, B. latifolia and B. dracunculifolia, Phytochemistry, 1995, 38, 2, 381-389, https://doi.org/10.1016/0031-9422(94)00628-7 . [all data]

Umano, Hagi, et al., 1994
Umano, K.; Hagi, Y.; Tamura, T.; Shoji, A.; Shibamoto, T., Identification of volatile compounds isolated from round kumquat (Fortunella japonica Swingle), J. Agric. Food Chem., 1994, 42, 9, 1888-1890, https://doi.org/10.1021/jf00045a011 . [all data]

Wong and Tie, 1993
Wong, K.C.; Tie, D.Y., The Essential Oil of the Leaves of Murraya koenigii Spreng., J. Essent. Oil Res., 1993, 5, 4, 371-374, https://doi.org/10.1080/10412905.1993.9698245 . [all data]

Wyllie, Cook, et al., 1987
Wyllie, S.G.; Cook, D.; Brophy, J.J.; Richter, K.M., Volatile flavor components of Annona atemoya (custard apple), J. Agric. Food Chem., 1987, 35, 5, 768-770, https://doi.org/10.1021/jf00077a029 . [all data]

Gaydou, Randriamiharisoa, et al., 1986
Gaydou, E.M.; Randriamiharisoa, R.; Bianchini, J.-P., Composition of the essential oil of ylang-ylang (Canaga odorata Hook Fil. et Thomson forma genuina) from Madagascar, J. Agric. Food Chem., 1986, 34, 3, 481-487, https://doi.org/10.1021/jf00069a028 . [all data]

Bernhard, Shibamoto, et al., 1983
Bernhard, R.A.; Shibamoto, T.; Yamaguchi, K.; White, E., The volatile constituents of Schinus molle L., J. Agric. Food Chem., 1983, 31, 2, 463-466, https://doi.org/10.1021/jf00116a075 . [all data]

Buttery, Kamm, et al., 1982
Buttery, R.G.; Kamm, J.A.; Ling, L.C., Volatile components of alfalfa flowers and pods, J. Agric. Food Chem., 1982, 30, 4, 739-742, https://doi.org/10.1021/jf00112a028 . [all data]

Toda, Yamaguchi, et al., 1982
Toda, H.; Yamaguchi, K.; Shibamoto, T., Isolation and identification of banana-like aroma from banana shrub (Michellia figo Spreng), J. Agric. Food Chem., 1982, 30, 1, 81-84, https://doi.org/10.1021/jf00109a017 . [all data]

Tressl, Friese, et al., 1978
Tressl, R.; Friese, L.; Fendesack, F.; Köppler, H., Studies of the volatile composition of hops during storage, J. Agric. Food Chem., 1978, 26, 6, 1426-1430, https://doi.org/10.1021/jf60220a036 . [all data]


Notes

Go To: Top, Kovats' RI, polar column, temperature ramp, References