Pyrazine, 3-ethyl-2,5-dimethyl-


Normal alkane RI, non-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 HP-5 MSHP-5 MSDB-5Ultra-1HP-5
Column length (m) 30.30.30.50.50.
Carrier gas HeliumHeliumHeliumHeliumHelium
Substrate      
Column diameter (mm) 0.250.250.250.200.20
Phase thickness (μm) 0.250.250.250.330.33
Tstart (C) 45.50.50.50.50.
Tend (C) 280.250.220.280.280.
Heat rate (K/min) 15.5.4.2.10.
Initial hold (min)  0.5   
Final hold (min)  0.5 20.8.5
I 1083.1079.1063.1054.1085.
ReferenceWanakhachornkrai and Lertsiri, 9999Fanaro, Duarte, et al., 2012Shedid, 2010Du, Clery, et al., 2008Du, Clery, et al., 2008
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase SLB-5MSDB-5DB-5 MSMDN-5MDN-5
Column length (m) 10.30.30.60.60.
Carrier gas HeliumHe HeHe
Substrate      
Column diameter (mm) 0.180.320.250.250.25
Phase thickness (μm) 0.181.0.250.250.25
Tstart (C) 40.40.40.40.40.
Tend (C) 295.250.200.270.270.
Heat rate (K/min) 10.4.8.4.4.
Initial hold (min) 1.52.3.4.4.
Final hold (min)  15.20.5.5.
I 1093.1089.1091.1079.1080.
ReferenceRisticevic, Carasek, et al., 2008Fan and Qian, 2006Schirack, Drake, et al., 2006van Loon, Linssen, et al., 2005van Loon, Linssen, et al., 2005
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase HP-5DB-5DB-5MSDB-1HP-5
Column length (m) 30.30.50.60.50.
Carrier gas HeHeHeHe 
Substrate      
Column diameter (mm) 0.250.320.250.320.32
Phase thickness (μm) 0.250.25 1.0.52
Tstart (C) 45.40.40.40.35.
Tend (C) 280.230.220.260.250.
Heat rate (K/min) 15.6.5.2.2.
Initial hold (min) 2.2.5. 15.
Final hold (min) 11.45.5. 45.
I 1083.1079.1080.1072.1080.
ReferenceWanakhachornkrai and Lertsiri, 2003Sanz, Czerny, et al., 2002Welty, Marshall, et al., 2001Chen and Ho, 1999Boylston and Viniyard, 1998
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase DB-1DB-1DB-1DB-1DB-1
Column length (m) 60.60.60.60.60.
Carrier gas He HeHeHe
Substrate      
Column diameter (mm) 0.320.250.320.250.25
Phase thickness (μm) 1.0 1. 1.
Tstart (C) 40.30.40.30.40.
Tend (C) 260.200.280.200.260.
Heat rate (K/min) 3.4.2.4.2.
Initial hold (min)  25.2.25.5.
Final hold (min)  20.40.20.60.
I 1098.1054.1061.1054.1071.
ReferenceChen and Ho, 1998Buttery, Ling, et al., 1997Lu, Yu, et al., 1997Buttery and Ling, 1995Yu and Ho, 1995
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryPackedCapillary
Active phase DB-1DB-1DB-1SE-54HP-5
Column length (m) 60.60.60.3.50.
Carrier gas HeHeHe H2
Substrate    Chromosorb G AW DMCS (100-120 mesh) 
Column diameter (mm) 0.320.250.25 0.3
Phase thickness (μm)  1.01.  
Tstart (C) 30.40.40.50.80.
Tend (C) 200.260.260.230.250.
Heat rate (K/min) 4.2.2.6.16.
Initial hold (min) 25.5.5.2. 
Final hold (min) 20.60.60.10. 
I 1054.1086.1067.1082.1082.
ReferenceButtery, Stern, et al., 1994Yu, Wu, et al., 1994Yu, Wu, et al., 1994, 2Schieberle, 1991Spadone, Takeoka, et al., 1990
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase DB-1DB-1DB-1DB-1OV-101
Column length (m) 60.60.60.60.50.
Carrier gas     N2
Substrate      
Column diameter (mm) 0.320.320.320.320.22
Phase thickness (μm) 0.250.250.250.25 
Tstart (C) 50.50.50.50.80.
Tend (C) 250.250.250.250.200.
Heat rate (K/min) 4.4.4.4.2.
Initial hold (min)      
Final hold (min)      
I 1053.1054.1055.1055.1059.
ReferenceFlath, Matsumoto, et al., 1989Flath, Matsumoto, et al., 1989Flath, Matsumoto, et al., 1989Flath, Matsumoto, et al., 1989Mihara and Masuda, 1987
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type CapillaryCapillaryCapillaryCapillaryCapillary
Active phase OV-1DB-5OV-101Methyl SiliconeMethyl Silicone
Column length (m) 50.60.50.25.25.
Carrier gas HydrogenH2He  
Substrate      
Column diameter (mm) 0.200.320.310.20.2
Phase thickness (μm)      
Tstart (C) 50.40.0.50.50.
Tend (C) 200.200.225.200.200.
Heat rate (K/min) 1.2.3.4.4.
Initial hold (min)   1.  
Final hold (min) 35.  15.15.
I 1051.1071.1051.1051.1054.
ReferenceWu, Liou, et al., 1987Gallois and Grimont, 1985del Rosario, de Lumen, et al., 1984Lorenz, Stern, et al., 1983Lorenz, Stern, et al., 1983
Comment MSDC-RI MSDC-RI MSDC-RI MSDC-RI MSDC-RI
Column type Capillary
Active phase SE-30
Column length (m) 50.
Carrier gas He
Substrate  
Column diameter (mm) 0.5
Phase thickness (μm)  
Tstart (C) 40.
Tend (C) 170.
Heat rate (K/min) 3.
Initial hold (min) 3.
Final hold (min)  
I 1055.
ReferenceHeydanek and McGorrin, 1981
Comment MSDC-RI

References

Go To: Top, Normal alkane RI, non-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.

Wanakhachornkrai and Lertsiri, 9999
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Sanz, Czerny, et al., 2002
Sanz, C.; Czerny, M.; Cid, C.; Schieberle, P., Comparison of potent odorants in a filtered coffee brew and in an instant coffee beverage by aroma extract dilution analysis (AEDA), Eur. Food Res. Technol., 2002, 214, 4, 299-302, https://doi.org/10.1007/s00217-001-0459-9 . [all data]

Welty, Marshall, et al., 2001
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Chen and Ho, 1999
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Notes

Go To: Top, Normal alkane RI, non-polar column, temperature ramp, References