Semi-rotating cryogenic modulator for comprehensive two-dimensional gas chromatography

被引：18

作者：

Kallio, M ^{[1
]}

Hyötyläinen, T ^{[1
]}

Jussila, M ^{[1
]}

Hartonen, K ^{[1
]}

Palonen, S ^{[1
]}

Shimmo, M ^{[1
]}

Riekkola, ML ^{[1
]}

机构：

[1] Univ Helsinki, Dept Chem, Analyt Chem Lab, FIN-00014 Helsinki, Finland

来源：

ANALYTICAL AND BIOANALYTICAL CHEMISTRY | 2003年 / 375卷 / 06期

基金：

芬兰科学院;

关键词：

comprehensive two-dimensional gas chromatography; GCxGC; modulator; aerosol analysis;

D O I：

10.1007/s00216-003-1803-7

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A laboratory-made cryogenic modulator for comprehensive two-dimensional gas chromatography (GCx GC) was constructed and evaluated. Analytes were trapped with carbon dioxide and desorbed with heated GC oven air. The GC x GC system included a non-polar first-dimension column and a semi-polar second-dimension column connected to a flame ionisation detector. A laboratory-written Matlab-based program was used for the data analysis. Peak widths at half height for n-alkanes, obtained with use of new modulator, were at narrowest 60 ins.

引用

页码：725 / 731

页数：7

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