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A new method for sorptive enrichment of gaseous samples : application in air analysis and natural gas characterization
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A novel type of liquid/liquid extraction for the preconcentration of organic micropollutants from aqueous samples : application to the analysis of PAH's and OCP's in water
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Preconcentration of trace components from gaseous samples using packed beds of partitioning materials.Eighteenth International Symp. on Capillary Chromatography, Riva del Garda, Italy 20-24 May 1996, Vol.I, 652-662. Ed. P. Sandra, Publ. Hiithig, Heid elberg, Germany.