Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 71, Issue -, Pages 65-73Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2015.02.024
Keywords
Chemical isolation; Complex sample; Elucidation; Environmental issue; Green chemistry; Heart-cut; Multidimensional gas chromatography; Optimization parameters for preparative gas chromatography; Preparative gas chromatography; Sample preparation
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The present paper reviews recent approaches to preparative capillary gas chromatography (PCGC) covering the period 2010-14. The green character of this approach is discussed in relation to the capability to collect chemicals from complex samples, avoiding the consumption of organic solvents that represent a great environmental issue. A discussion is presented regarding critical points in PCGC, mainly related to sample injection, sample capacity, collection system, conditions and sample flushing issues. Following the increasing trend related to the use of multi-dimensional (MD) techniques in recent decades, a section is devoted to the benefits when such an approach is applied in PCGC. One-dimensional and MD applications covering different fields that have appeared in literature since 2010 are described, mainly followed by elucidation steps often performed by nuclear magnetic resonance (NMR), vapour-phase Fourier-transform infrared (FTIR) spectroscopy and mass spectrometric (MS) analyses. (C) 2015 Elsevier B.V. All rights reserved.
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