Ultrathin-shell boron nitride hollow spheres as sorbent for dispersive solid-phase extraction of polychlorinated biphenyls from environmental water samples

•Ultrathin-shells boron nitride hollow spheres were synthesized as sorbent for dSPE.•Extraction conditions were optimized through RSM using the Box–Behnken design.•High extraction efficiency was achieved for PCBs using the sorbent.•The developed method offers low limits of detection, good linearity...

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Bibliographic Details
Published in:Journal of Chromatography A 2014-11, Vol.1369, p.181-185
Main Authors: Fu, Meizhen, Xing, Hanzhu, Chen, Xiangfeng, Chen, Fan, Wu, Chi-Man Lawrence, Zhao, Rusong, Cheng, Chuange
Format: Article
Language:English
Subjects:
Analysis methods
Analytical chemistry
Applied sciences
Boron nitride
Boron nitride hollow spheres
Chemistry
Chromatographic methods and physical methods associated with chromatography
Dispersive solid-phase extraction
Earth, ocean, space
Economic conditions
Exact sciences and technology
External geophysics
Extraction
Gas chromatographic methods
Gas chromatography–tandem mass spectrometry
Linearity
Meteorology
Natural water pollution
Pollutants
Pollution
Polychlorinated biphenyls
Sorbents
Standard deviation
Water in the atmosphere (humidity, clouds, evaporation, precipitation)
Water treatment and pollution
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Summary:•Ultrathin-shells boron nitride hollow spheres were synthesized as sorbent for dSPE.•Extraction conditions were optimized through RSM using the Box–Behnken design.•High extraction efficiency was achieved for PCBs using the sorbent.•The developed method offers low limits of detection, good linearity and repeatability. Boron nitride hollow spheres with ultrathin-shells were synthesized and used as sorbents for dispersive solid-phase extraction of aromatic pollutants at trace levels from environmental water samples. Polychlorinated biphenyls (PCBs) were selected as target compounds. Sample quantification and detection were performed by gas chromatography–tandem mass spectrometry. Extraction parameters influencing the extraction efficiency were optimized through response surface methodology using the Box–Behnken design. The proposed method achieved good linearity within the concentration range of 0.15–250ngL−1 PCBs, low limits of detection (0.04–0.09ngL−1, S/N=3:1), good repeatability of the extractions (relative standard deviation,
ISSN:0021-9673
DOI:10.1016/j.chroma.2014.10.001