NDLI: Reproducibility of Programmed-Temperature Retention Indices under Average Linear Velocity Carrier Gas Control of GC and GC

Content Provider	Springer Nature Link
Author	Miyagawa, H. Nakagawa, K. Kadokami, K.
Copyright Year	2011
Abstract	Programmed-temperature retention indices (PTRIs) are useful for the identification and quantification of chemicals by means of GC and GC/MS. To obtain reproducible PTRIs, we studied the influence of average linear velocity and column length under the constant average linear velocity control (CVC) using 55 pesticides and 33 fatty acid methyl esters. The PTRIs decreased with increasing average linear velocity, and the degree of decrease differs with the compounds. The PTRIs, however, were almost constant as long as the same average linear velocity was used even if the column length was changed. In addition, the correlation between the variation ratio in PTRI and the increase in average linear velocity was linear. Using the linear relationship between PTRIs and average linear velocities under CVC, highly reproducible PTRIs were obtained even if the capillary column length changes. Furthermore, the PTRIs determined by GC with FID, ECD, and FPD under atmospheric pressure were applied to GC/MS under vacuum or vice versa. From these results, it was confirmed that because CVC provides reproducible retention indices, CVC is advantageous for qualitative and quantitative analysis by GC and GC/MS.
Starting Page	953
Ending Page	963
Page Count	11
File Format	PDF
ISSN	00095893
Journal	Chromatographia
Volume Number	73
Issue Number	9-10
e-ISSN	16121112
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-03-10
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	GC/MS Carrier gas flow control Column length Pesticides Fatty acid methyl esters Programmed-temperature retention indices Plant Sciences Pharmacy Organic Chemistry Proteomics Biochemistry Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry

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Determination of Trace Levels of Fatty Acid Methyl Esters in Aviation Fuel by GC × GC–FID and Comparison with the Reference GC–MS Method

Prediction of GC retention values under various column temperature conditions from temperature programmed data

Forecasting Retention Times of Fatty Acid Methyl Esters in Temperature-Programmed Gas Chromatography

Use of Large Retention Index Database for Filtering of GC–MS False Positive Identifications of Compounds

Studies of thermally assisted hydrolysis and methylation-GC-MS of fatty acids and triglycerides using different reagents and injection systems

Prediction of retention indices for identification of fatty acid methyl esters.

An equation for the calculation of retention indices in temperature-programmed gas chromatography with allowance for the nonlinear variation of the retention parameters ofn-alkanes

Averaging the pressure and flow rate of the carrier gas in a gas chromatographic column

Evaluation of New Stationary Phases for the Separation of Fatty Acid Methyl Esters

Reproducibility of Programmed-Temperature Retention Indices under Average Linear Velocity Carrier Gas Control of GC and GC–MS

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