Pyrazine, 2-ethyl-6-methyl-


Normal alkane RI, polar column, custom temperature program

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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

Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase DB-FFAPDB-FFAPDB-WaxDB-WaxHP-Innowax
Column length (m) 30.30.30.30.60.
Carrier gas HeliumHeliumHydrogenHydrogenHelium
Substrate      
Column diameter (mm) 0.250.250.250.250.32
Phase thickness (μm) 0.250.250.250.250.25
Program 50 0C 2 0C/min -> 100 0C (5 min) 5 0C/min -> 250 0Cnot specified44 0C 3 0C/min -> 170 0C 8 0C/min -> 250 0Cnot specified40 0C (5 min) 4 0C/min -> 60 0C (5 min) 8 0C/min -> 250 0C (3 min)
I 1364.1381.1391.1411.1389.
ReferenceMebazaa, Mahmoudi, et al., 2009Mebazaa, Mahmoudi, et al., 2009Gonzalez-Rios, Suarez-Quiroz, et al., 2007Gonzalez-Rios, Suarez-Quiroz, et al., 2007Viegas and Bassoli, 2007
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillary
Active phase HP-InnowaxDB-WaxCarbowax 20M
Column length (m) 60.30. 
Carrier gas HeliumHe 
Substrate    
Column diameter (mm) 0.320.32 
Phase thickness (μm) 0.250.25 
Program not specified45C(5min) => 5C/min => 150C => 10C/min => 240C (10min)not specified
I 1388.1353.1353.
ReferenceViegas and Bassoli, 2007Krings, Zelena, et al., 2006Mihara and Masuda, 1987
Comment MSDC-RI MSDC-RI MSDC-RI

References

Go To: Top, Normal alkane RI, polar column, custom temperature program, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Mebazaa, Mahmoudi, et al., 2009
Mebazaa, R.; Mahmoudi, A.; Fouchet, M.; Dos Santos, M.; Kamissoko, F.; Nafti, A.; Ben Cheikh, R.; Rega, B.; Camel, V., Characterization of volatile compounds in Tunisian fenugreek seeds, Food Chem., 2009, 115, 4, 1326-1336, https://doi.org/10.1016/j.foodchem.2009.01.066 . [all data]

Gonzalez-Rios, Suarez-Quiroz, et al., 2007
Gonzalez-Rios, O.; Suarez-Quiroz, M.L.; Boulanger, R.; Barel, M.; Guyot, B.; Guiraud, J.-P.; Schorr-Galindo, S., Impact of ecological post-harvest processing of coffee aroma: II Roasted coffee., J. Food Composition Analysis, 2007, 20, 3-4, 297-307, https://doi.org/10.1016/j.jfca.2006.12.004 . [all data]

Viegas and Bassoli, 2007
Viegas, M.C.; Bassoli, D.G., Utilizacao do indice de retencao linear para caracterizacao de compostos volateis em cafe soluvel utilizando GC-MS e coluna HP-Innowax, Quim. Nova, 2007, 30, 8, 2031-2034, https://doi.org/10.1590/S0100-40422007000800040 . [all data]

Krings, Zelena, et al., 2006
Krings, U.; Zelena, K.; Wu, S.; Berger, R.G., Thin-layer high-vacuum distillation to isolate volatile flavour compounds of cocoa powder, Eur. Food Res. Technol., 2006, 223, 5, 675-681, https://doi.org/10.1007/s00217-006-0252-x . [all data]

Mihara and Masuda, 1987
Mihara, S.; Masuda, H., Correlation between molecular structures and retention indices of pyrazines, J. Chromatogr., 1987, 402, 309-317, https://doi.org/10.1016/0021-9673(87)80029-8 . [all data]


Notes

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