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Analysis of Synthetic Fragrances (SFs) in Water Using Stir Bar Sorptive Extraction (SBSE) and GC-MS/MS

Year: 2014

Type: article

Abstract: A highly sensitive analytical method based on stir bar sorptive extraction (SBSE) technique and gas chromatography/ tandem mass spectrometry (GC-MS/MS) has been developed, allowing the simultaneous multi-analyte determination of 11 synthetic fragrances (SFs) in water samples.The stir bar coated with polydimethylsiloxane (PDMS) was added to 40 mL of water sample at pH 3 and stirred at 1,100 rpm for 120 min.Other SBSE parameters (salt effect and presence of organic solvent) were optimised.The method shows good linearity (coefficients > 0.990) and reproducibility (RSD < 10.9%).The extraction efficiencies were above 83% for all the compounds.The limits of detections (LOD) and limits of quantification (LOQ) were 2.1~4.1 ng/L and 6.6~12.9ng/L, respectively.The developed method offers the ability to detect 11 SFs at ultra-low concentration levels with only 40 mL of sample volume.Matrix effects in tap water, river water, wastewater treatment plant (WWTP) final effluent water and seawater were investigated and it was shown that the method is suitable for the analysis of trace level of 11 SFs.The method developed in the present study has the advantage of being rapid, simple, high-sensitive and both user and environmentally friendly. Key Words : Synthetic Fragrances (SFs), Stir Bar Sorptive Extraction (SBSE), Gas Chromatography-tandem Mass Spectrometry(GC-MS/MS), Limit of Detection (LOD), Limit of Quantification (LOQ) 요약 : 본 연구에서는 SBSE 전처리 장치와 GC-MS/MS를 이용하여 합성 향물질 11종을 동시 분석할 수 있는 분석법을 개발 하기 위해 흡착 bar의 교반시간, 교반속도, 시료수의 pH, 시료수 용량, 염석제 투입량 및 메탄올 주입량 변화 등 SBSE (stir bar sorptive extraction) 전처리 조건과 GC-MS/MS (gas chromatography/tandem mass spectrometry)의 기기조건을 다양하게 변화시 켜 SBSE-GC-MS/MS를 이용한 분석법을 개발하였다.11종의 합성 향물질들에 대한 검출한계(LOD)는 2.1~4.1 ng/L였으며, 정 량한계(LOQ

Source: 대한환경공학회지

DOI: 10.4491/ksee.2014.36.6.387