Preconcentration and partial separation of nitroaromatic vapors using a methyltrimethoxysilane-based sol-gel.

Abstract

Typical trace vapor analysis involves sorbent trapping, followed by desorption and chromatographic separation. This communication describes a method for streamlining this process by combining sorbent sampling/preconcentration with partial separation achieved through temperature-programmed thermal desorption. A novel sorbent trap was formulated in which… (More)
DOI: 10.1016/j.chroma.2017.11.006

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