Pyridine, 2-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 DB-WaxDB-WaxTC-WaxDB-WaxTC-Wax
Column length (m) 30.30. 60. 
Carrier gas HydrogenHydrogen Helium 
Substrate      
Column diameter (mm) 0.250.25 0.25 
Phase thickness (μm) 0.250.25 0.25 
Program 44 0C 3 0C/min -> 170 0C 8 0C/min -> 250 0Cnot specifiednot specified60 0C (3 min) 2 0C/min -> 150 0C 4 0C/min -> 200 0Cnot specified
I 1229.1239.1240.1216.1240.
ReferenceGonzalez-Rios, Suarez-Quiroz, et al., 2007Gonzalez-Rios, Suarez-Quiroz, et al., 2007Kraft and Switt, 2005Kim. J.H., Ahn, et al., 2004Tachihara, Ishizaki, et al., 2004
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase DB-WaxCarbowaxCarbowaxCarbowaxCarbowax
Column length (m)      
Carrier gas      
Substrate      
Column diameter (mm)      
Phase thickness (μm)      
Program not specifiednot specifiednot specifiednot specifiednot specified
I 1210.1209.1209.1209.1210.
ReferencePeng, Yang, et al., 1991Baltes and Bochmann, 1987Baltes and Bochmann, 1987Baltes and Bochmann, 1987Baltes and Bochmann, 1987
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase CarbowaxCarbowaxCarbowaxSuperox 0.6; Carbowax 20MCarbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc.
Column length (m)    50.50.
Carrier gas    HydrogenHydrogen
Substrate      
Column diameter (mm)    0.320.32
Phase thickness (μm)      
Program not specifiednot specifiednot specifiednot specifiednot specified
I 1210.1211.1212.1180.1180.
ReferenceBaltes and Bochmann, 1987Baltes and Bochmann, 1987Baltes and Bochmann, 1987Waggott and Davies, 1984Waggott and Davies, 1984
Comment MSDC-RI MSDC-RI 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.

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]

Kraft and Switt, 2005
Kraft, P.; Switt, K.A.D. (Eds), Perspectives in Flavor and Fragrance Research, Wiley-VCH, Weinheim, Germany, 2005, 251. [all data]

Kim. J.H., Ahn, et al., 2004
Kim. J.H.; Ahn, H.J.; Yook, H.S.; Kim, K.S.; Rhee, M.S.; Ryu, G.H.; Byun, M.W., Color, flavor, and sensory characteristics of gamma-irradiated salted and fermented anchovy sauce, Radiation Phys. Chem., 2004, 69, 2, 179-187, https://doi.org/10.1016/S0969-806X(03)00400-6 . [all data]

Tachihara, Ishizaki, et al., 2004
Tachihara, T.; Ishizaki, S.; Ishikawa, M.; Kitahara, T., Studies on the volatile compounds of roasted spotted shrimp, Chemistry Biodiversity, 2004, 1, 12, 2024-2033, https://doi.org/10.1002/cbdv.200490155 . [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]

Baltes and Bochmann, 1987
Baltes, W.; Bochmann, G., Model reactions on roast aroma formations, V. Mass spectrometric identification of pyrifines, oxazoles, and carbocyclic compounds from the reaction of serine and threonine with sucrose under the conditions of coffee roasting, Z. Lebensm. Unters. Forsch., 1987, 185, 1, 5-9, https://doi.org/10.1007/BF01083331 . [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

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