Page 150 - Multidimensional Chromatography
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142                                     Multidimensional Chromatography




























































                           Figure 6.6 SPE–SFE–HRGC(PID) chromatograms obtained for (a) a mixture of analyti-
                           cal standards of selected aromatic compounds in water, and (b) the analysis of a water sample
                           contaminated with various aromatic compounds.
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