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Pyrazine, methyl-

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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 Carbowax 20MDB-WaxDB-WaxHP-InnowaxHP-Innowax
Column length (m)  30.30.30.30.
Carrier gas  HydrogenHydrogenHeHe
Substrate      
Column diameter (mm)  0.250.250.250.25
Phase thickness (mum)  0.250.250.250.25
Program not specified44 0C 3 0C/min -> 170 0C 8 0C/min -> 250 0Cnot specified30C(5min) => 7C/min => 100C(5min) => 1C/min => 130C => 10C/min => 195C(45min)30C(5min) => 7C/min => 100C(5min) => 1C/min => 130C => 10C/min => 195C(45min)
I 1250.1271.1288.1279.1280.
ReferenceDury-Brun, Fournier, et al., 2007Gonzalez-Rios, Suarez-Quiroz, et al., 2007Gonzalez-Rios, Suarez-Quiroz, et al., 2007Narain, Galvao, et al., 2007Narain, Galvao, et al., 2007
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase HP-InnowaxHP-InnowaxDB-WaxInnowaxCarbowax 20M
Column length (m) 60.60.30.30. 
Carrier gas HeliumHeliumHeHelium 
Substrate      
Column diameter (mm) 0.320.320.320.25 
Phase thickness (mum) 0.250.250.250.50 
Program 40 0C (5 min) 4 0C/min -> 60 0C (5 min) 8 0C/min -> 250 0C (3 min)not specified45C(5min) => 5C/min => 150C => 10C/min => 240C (10min)40 0C (2 min) 10 0C/min -> 100 0C 3 0C/min -> 160 0C 5 0C/min -> 260 0C (10 min)not specified
I 1267.1274.1243.1278.1251.
ReferenceViegas and Bassoli, 2007Viegas and Bassoli, 2007Krings, Zelena, et al., 2006Ito and Mori, 2004Vinogradov, 2004
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase CP-Wax 52CBCarbowax 20MCarbowax 20MSupelcowax-10DB-Wax
Column length (m) 50.  30. 
Carrier gas    He 
Substrate      
Column diameter (mm) 0.32  0.32 
Phase thickness (mum) 1.2  0.25 
Program 40C(10min) => 3C/min => 190C => 10C/min => 250C(5min)not specifiednot specified50C(2min) => 7C/min => 140C => 17.5C/min => 230Cnot specified
I 1277.1260.1260.1251.1259.
ReferenceMuresan, Eillebrecht, et al., 2000Vernin, Lageot, et al., 1998Vernin, Lageot, et al., 1998Chang, Seitz, et al., 1995Peng, Yang, et al., 1991
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillary
Active phase Carbowax 20MCarbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc.
Column length (m)  50.
Carrier gas  Hydrogen
Substrate   
Column diameter (mm)  0.32
Phase thickness (mum)   
Program not specifiednot specified
I 1235.1235.
ReferenceMihara and Masuda, 1987Waggott and Davies, 1984
Comment 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.

Dury-Brun, Fournier, et al., 2007
Dury-Brun, C.; Fournier, N.; Pernin, K.; Guichard, E.; Voilley, A., A new approach to studying sponge cake aroma after storage in treated paper and plastic packaging by direct gas chromatography?olfactometry (D-GC-O), Flavour Fragr. J., 2007, 22, 4, 255-264, https://doi.org/10.1002/ffj.1788 . [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]

Narain, Galvao, et al., 2007
Narain, N.; Galvao, M.S.; Madruga, M.S., Volatile compounds captured through purge and trap technique in caja-umbu (Spondias sp.) fruits during maturation, Food Chem., 2007, 102, 3, 726-731, https://doi.org/10.1016/j.foodchem.2006.06.003 . [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]

Ito and Mori, 2004
Ito, K.; Mori, M., Formation of pyrazines in aqueous maltose/glucose/fructose-glutamide model systems upon heating at below 100 0C, Food Sci. Technol. Res., 2004, 10, 2, 199-204, https://doi.org/10.3136/fstr.10.199 . [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]

Muresan, Eillebrecht, et al., 2000
Muresan, S.; Eillebrecht, M.A.J.L.; de Rijk, T.C.; de Jonge, H.G.; Leguijt, T.; Nijhuis, H.H., Aroma profile development of intermediate chocolate products. I. Volatile constituents of block-milk, Food Chem., 2000, 68, 2, 167-174, https://doi.org/10.1016/S0308-8146(99)00171-5 . [all data]

Vernin, Lageot, et al., 1998
Vernin, G.; Lageot, C.; Parkanyi, C., GC-MS(EI, PCI, NCI, SIM, ITMS) Data Bank Analysis of Flavors and Fragrances. Kovats indices in Instrumental Methods on Food and Beverage Analysis, D. Wetzel, G. Charalambous, ed(s)., Elsevier Sci. B.V., Amsterdam, 1998, 245-301. [all data]

Chang, Seitz, et al., 1995
Chang, C.-Y.; Seitz, L.M.; Chambers, E., IV, Volatile Flavor Components of Breads Made from Hard Red Winter Wheat and Hard White Winter Wheat, Cereal Chem., 1995, 72, 3, 237-242. [all data]

Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F., Prediction of rentention idexes. II. Structure-retention index relationship on polar columns, J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F . [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]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]


Notes

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