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Enhancing sensitivity for headspace and headspace-SPME analysis: The benefits of a trap-based approach

This short review discusses how sorbent-packed focusing traps can be used to enhance sensitivity for headspace and headspace-SPME sampling of trace-level VOCs and SVOCs, thus allowing more (and better-quality) information to be obtained from every sample. Options covered include the use of larger headspace extraction volumes, repeat extractions from a single vial, and lowsplit or splitless analysis. Each option is illustrated with data acquired on the automated Centri® sample extraction and enrichment platform for GC–MS. Also discussed are the advantages that trapping offers for water management.

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