Measurement of retention in comprehensive two-dimensional gas chromatography using flow modulation with methane dopant

被引：6
|
作者：
Klee, Matthew S. [1 ]
Blumberg, Leonid M. [2 ]
机构：
[1] Agilent Technol, Wilmington, DE 19808 USA
[2] Fast GC Consulting, Wilmington, DE 19801 USA
来源：
JOURNAL OF CHROMATOGRAPHY A | 2010年 / 1217卷 / 11期
关键词：
GC x GC; Flow modulation; Hold-up time; Temperature-programmed GC; Elution retention factors; SEPARATIONS;
D O I：
10.1016/j.chroma.2010.01.027
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Flow modulation of methane-doped carrier gas is used to visualize the second dimension hold-Lip time in CC x GC continuously throughout the run This provides an internal reference of hold-up time and presents a straight forward means of examining retention in each dimension of GC x GC Retention factors on similar and dissimilar column pairs are examined Stationary phase bleed is shown to be retained by the second dimension column. (C) 2010 Elseviei B V All rights reserved
引用
收藏
页码：1830 / 1837
页数：8
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