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We introduce a compact mini-denuder air sampling device consisting of a regular gas chromatograph (GC) inlet liner for the simultaneous concentration of separate airborne gaseous and particulate phases in a single-step. Denuder materials are thermally desorbed in a regular inlet of a GC using routine equipment available in any chromatography laboratory. The simplicity of the technique makes it ideal for resource-poor laboratories.

sa journal of chemistry/south african journal of chemistry

Air sampling: a mini-denuder sampling device for direct desorption in an inlet of a gas chromatograph for the analyses of airborne gaseous phase pollutants and airborne particulate phase pollutants