日本質量分析学会 第67回質量分析総合討論会

演題概要

ポスター発表

第2日 5月16日(木)  P会場(多目的ホール)

Direct SPME-MS Screening of Various Compounds such as Pesticides, PAHs and Contaminants in Waste Water Using SICRIT Soft Ionization Source

(1エーエムアール・ 2Plasmion・ 3CTC・ 4ETH)
Wolf, Jan-Christoph2,4・ Huba, Anna4・ Mirabelli, Mario3,4・ Zenobi, Renato4・ 板東泰彦1o坂倉幹始1

The ability to perform a fast and simple trace analysis has become a necessity in numerous fields, such as biomedical, forensic, food, and environmental analysis. Ambient mass spectrometry has been proven to be a versatile tool for fast and direct analysis, requiring minimal or no sample preparation. Our approach to address this demand involves the direct coupling of solid-phase microextraction (SPME) to a very efficient ionization source (SICRIT, soft ionization by chemical reaction in transfer) based on a dielectric barrier discharge (DBD). This coupling enables an automated, quick, sensitive, and robust detection of compounds of interest. The versatility and sensitivity of our source and approach were previously demonstrated, for example for the sub-ng/L detection of pesticides in fruit juice and PAHs in the ng/L range. Also trace levels of common contaminants (e.g. DEET, benzotriazole, β-estradiol) were detected in waste water using the SPME-SICRIT-MS coupling. These promising results evidence that this approach is of great interest for quick (field) screening methods for a large polarity range and a broad field of possible applications.