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Research and innovation | REF: IN149 V1

The SPME-Adapter: a rapid sampling for the analysis of VOC traces in the air

Authors: Valérie DESAUZIERS, Benoît AUGUIN

Publication date: November 10, 2012 | Lire en français

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    AUTHORS

    • Valérie DESAUZIERS: Professor - Lecturer at the École des mines d'Alès (Pau site)

    • Benoît AUGUIN: Engineer - Manager of Quad Service

     INTRODUCTION

    Summary

    The SPME-Adapter has been developed to simplify spot sampling of VOCs in air. This interface combines vacuum air sampling with SPME pre-concentration. The vacuum flasks used are similar to canisters, but are less expensive and easier to set up. Air is removed by opening a vacuum valve. The SPME fiber is then introduced into the flask to pre-concentrate the VOCs. Detection limits reach μg · m –3 , with a reproducibility of 12%.

    Abstract

    To simplify grab VOCs sampling in air, the SPME-Adapter was developed. This interface allows combining vacuum sampling in an evacuated vial with SPME pre-concentration. Vials are similar to canisters but cheaper and easier to implement. The vacuum valve of the SPME-Adapter is simply open to let in the air. Then the fiber is introduced to perform in-vial extraction. A 30 min sampling time allows detecting and quantifying μg · m –3 levels with 12 % reproducibility.

    Keywords

    air, VOC, vacuum sampling, SPME

    Keywords

    air, VOC, vacuum sampling, SPME

    Key points

    Field: VOC air trace sampling

    Degree of technology diffusion: Emergence | Growth | Maturity

    Technologies involved: solid-phase microextraction (SPME); vacuum sampling; gas chromatography

    Areas of application: indoor environments, ambient air

    Main French players: École des mines d'Alès, Quad Service

    Competitive clusters :

    Competence centers: École des mines d'Alès

    Manufacturers: Quad Service

    Other global players: Entech Instruments

    Contact: [email protected] ; http://www.mines-ales.fr

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    SPME-Adapter: rapid sampling for airborne VOC trace analysis
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