Improving extraction efficiency of SPME on soil samples by using SPME–trap and SPME–trap with enrichment
contributed by Markes |
Solid-phase microextraction (SPME) is a commonly used sampling technique for the profiling of volatile organic compounds (VOCs) from soil; however, the technique is limited by the amount of phase available. The introduction of SPME–trap and SPME–trap with enrichment is a step change towards improving sample extraction and reaching lower detection limits while strengthening confidence in compound identification. This application note demonstrates the possibility to extend the number of identified peaks from a complex soil matrix. Utilising SPME–trap with enrichment, the number of compounds identified were increased from 544 (SPME–trap) to 656. SPME–trap with enrichment is an extension of SPME on the Markes Centri® sample extraction and enrichment platform.
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