期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1019, 期 1-2, 页码 89-99出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0021-9673(03)01301-3
关键词
gas chromatography; comprehensive two-dimensional; petrochemical samples; atomic emission detection; mass spectrometry; sulphur heterocyclic compounds
Comprehensive gas chromatography (GC x GC) has been combined with atomic emission detection (AED) to enable element-selective detection. Under optimised experimental conditions, the requirement of minimum five data points across a peak can be obtained even for analytes eluting early from the second-dimension column. Simple manipulation of the results allows the combined presentation of up to four sets of elemental data in one two-dimensional plot. GC x GC with AED and mass spectrometric (MS) detection in petrochemical analysis for fingerprinting as well as the identification of N- and S-containing unknowns is presented as an application. (C) 2003 Elsevier B.V.. All rights reserved.
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