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Porous aromatic framework/polydimethylsiloxane coated stir bar sorptive extraction coupled with high performance liquid chromatography-diode array detection of trace polychlorinated biphenyls analysis in environmental waters

Zhang, Qiulin ; Yao, Xuezi ; He, Man ; Chen, Beibei ; Zhu, Ning ; Hu, Bin

Journal of Chromatography A, 2023-01, Vol.1688, p.463709, Article 463709 [Peer Reviewed Journal]

Netherlands: Elsevier B.V

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Title:
Porous aromatic framework/polydimethylsiloxane coated stir bar sorptive extraction coupled with high performance liquid chromatography-diode array detection of trace polychlorinated biphenyls analysis in environmental waters
Author: Zhang, Qiulin ; Yao, Xuezi ; He, Man ; Chen, Beibei ; Zhu, Ning ; Hu, Bin
Subjects: Chromatography, High Pressure Liquid - methods ; Dimethylpolysiloxanes - analysis ; Environmental waters ; High performance liquid chromatography ; Limit of Detection ; Polychlorinated biphenyls ; Polychlorinated Biphenyls - analysis ; Porosity ; Porous aromatic frameworks ; Reproducibility of Results ; Stir bar sorptive extraction ; Water ; Water Pollutants, Chemical - analysis
Is Part Of: Journal of Chromatography A, 2023-01, Vol.1688, p.463709, Article 463709
Description: •PAF-47/PDMS coated stir bar was prepared by sol-gel technique.•It shows high extraction recovery (77.6–90.6%) for five PCBs.•Extraction equilibrium can be obtained in a shorter time than PDMS coatings.•A SBSE-HPLC-DAD method was developed for trace PCBs analysis in water. A porous aromatic framework (PAF-47) synthesized through Suzuki coupling reaction was introduced to prepare PAF-47/polydimethylsiloxane (PDMS) coated stir bar by sol-gel technique. PAF-47/PDMS coating provided high extraction recovery (77.6–90.6%, the ratio of actual enrichment factor (EF) to theoretical EF) for five polychlorinated biphenyls (PCBs) in a relatively short time (60 min), exhibiting a faster extraction kinetics over commercial PDMS coating (12/24 h). Based on this, a new method based on PAF-47/PDMS coated stir bar sorptive extraction and high-performance liquid chromatography-diode array detection was proposed for trace analysis of target PCBs in environmental water. Under the optimized conditions, the limits of detection for five PCBs were within 44–70 ng/L, with actual EF of 64.0–71.5-fold (maximal EF of 83.3-fold). This method was successfully used to detect trace PCBs in Yangtze River water and East Lake water, with recoveries of 81.0–113% and 86.1–111%, respectively.
Publisher: Netherlands: Elsevier B.V
Language: English

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Porous aromatic framework/polydimethylsiloxane coated stir bar sorptive extraction coupled with high performance liquid chromatography-diode array detection of trace polychlorinated biphenyls analysis in environmental waters

Zhang, Qiulin ; Yao, Xuezi ; He, Man ; Chen, Beibei ; Zhu, Ning ; Hu, Bin

Netherlands: Elsevier B.V

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