Thiophene, 2,5-dimethyl-

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Van Den Dool and Kratz RI, polar column, temperature ramp

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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 CP-Wax 52CBDB-WaxDB-WaxDB-WaxCP-Wax 52CB
Column length (m) 50.30.30.30.50.
Carrier gas  HeHeHeH2
Substrate      
Column diameter (mm) 0.320.250.250.250.32
Phase thickness (μm)  0.250.250.250.25
Tstart (C) 60.45.45.45.40.
Tend (C) 220.240.240.240.200.
Heat rate (K/min) 4.6.6.3.1.5
Initial hold (min) 5.10.10.10.10.
Final hold (min) 30.30.30.30.60.
I 1156.1190.1190.1179.1188.
ReferenceMahadevan and Farmer, 2006Nielsen, Larsen, et al., 2004Nielsen, Larsen, et al., 2004, 2Nielsen and Poll, 2004Yu, Wu, et al., 1993
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillary
Active phase Carbowax 40MCP-WAX 57CB
Column length (m) 50.50.
Carrier gas HeHe
Substrate   
Column diameter (mm) 0.320.32
Phase thickness (μm) 0.25 
Tstart (C) 50.60.
Tend (C) 200.200.
Heat rate (K/min) 4.4.
Initial hold (min)  5.
Final hold (min)  10.
I 1172.1153.
ReferenceGolovnya, Misharina, et al., 1992Whitfield, Mottram, et al., 1988
Comment 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.

Mahadevan and Farmer, 2006
Mahadevan, K.; Farmer, L., Key Odor Impact Compounds in Three Yeast Extract Pastes, J. Agric. Food Chem., 2006, 54, 19, 7242-7250, https://doi.org/10.1021/jf061102x . [all data]

Nielsen, Larsen, et al., 2004
Nielsen, G.S.; Larsen, L.M.; Poll, L., Formation of aroma compounds during long-term frozen storage of unblanched leek (Allium ampeloprasum Var. Bulga) as affected by packaging atmosphere and slice thickness, J. Agric. Food Chem., 2004, 52, 5, 1234-1240, https://doi.org/10.1021/jf0306183 . [all data]

Nielsen, Larsen, et al., 2004, 2
Nielsen, G.S.; Larsen, L.M.; Poll, L., Impact of blanching and packaging atmosphere on the formation of aroma compounds during long-term frozen storage of leek (Allium ampeloprasum Var. Bulga) slices, J. Agric. Food Chem., 2004, 52, 15, 4844-4852, https://doi.org/10.1021/jf049623c . [all data]

Nielsen and Poll, 2004
Nielsen, G.S.; Poll, L., Determination of odor active aroma compounds in freshly cut leek (Allium ampeloprasum Var. Bulga) and in long-term stored frozen unblanched and blanched leek slices by gas chromatography olfactometry analysis, J. Agric. Food Chem., 2004, 52, 6, 1642-1646, https://doi.org/10.1021/jf030682k . [all data]

Yu, Wu, et al., 1993
Yu, T.-H.; Wu, C.-M.; Ho, C.-T., Volatile compounds of deep-oil fried, microwave-heated, and oven-baked garlic slices, J. Agric. Food Chem., 1993, 41, 5, 800-805, https://doi.org/10.1021/jf00029a023 . [all data]

Golovnya, Misharina, et al., 1992
Golovnya, R.V.; Misharina, T.A.; Beletskiy, I.V., Influence of methyl, formyl and acetyl groups on retention of substituted furans and thiophenes in capillary GC, Chromatographia, 1992, 34, 9/10, 497-501, https://doi.org/10.1007/BF02290243 . [all data]

Whitfield, Mottram, et al., 1988
Whitfield, F.B.; Mottram, D.S.; Brock, S.; Puckey, D.J.; Salter, L.J., Effect of Phospholipid on the Formation of Volatile Heterocyclic Compounds in Heated Aqueous Solutions of Amino Acids and Ribose, J. Sci. Food Agric., 1988, 42, 3, 261-272, https://doi.org/10.1002/jsfa.2740420309 . [all data]


Notes

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