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Type: Artigo de periódico
Title: Comprehensive Two-dimensional Gas Chromatography (gc X Gc) [cromatografia Gasosa Bidimensional Abrangente (gc X Gc)]
Author: Pedroso M.P.
De Godoy L.A.F.
De Vasconcellos Fidelis C.H.
Ferreira E.C.
Poppi R.J.
Augusto F.
Abstract: This paper presents the fundamental principles, instrumentation and selected applications of comprehensive two-dimensional gas chromatography (GC X GC). In this technique, introduced in 1991, two capillary columns are coupled and proper modulating interfaces continuously collect the eluate from the first column, transferring it to the second column. The result is a geometric increment in the chromatographic resolution, ensuring separation of extremely complex mixtures in time periods shorter or comparable to those of analysis using conventional gas chromatography and with better detectabilities and sensitivities.
Rights: aberto
Identifier DOI: 
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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