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Aminosilanized magnetic carbon microspheres for the magnetic solid‐phase extraction of bisphenol A, bisphenol AF, and tetrabromobisphenol A from environmental water samples
Author(s) -
Gong ShengXiang,
Wang XiaoLi,
Liu Wei,
Wang MingLin,
Wang Xia,
Wang ZhengWu,
Zhao RuSong
Publication year - 2017
Publication title -
journal of separation science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.72
H-Index - 102
eISSN - 1615-9314
pISSN - 1615-9306
DOI - 10.1002/jssc.201601228
Subject(s) - solid phase extraction , adsorption , detection limit , analytical chemistry (journal) , fourier transform infrared spectroscopy , extraction (chemistry) , tetrabromobisphenol a , scanning electron microscope , materials science , bisphenol , elemental analysis , chemistry , carbon fibers , chromatography , chemical engineering , inorganic chemistry , organic chemistry , composite material , epoxy , fire retardant , engineering , composite number
Aminosilanized magnetic carbon microspheres as a novel adsorbent were designed and fabricated. The adsorbent was used for the magnetic solid‐phase extraction of bisphenols at trace levels from environmental water samples before liquid chromatography with tandem mass spectrometry analysis. The structure, surface, and magnetic behavior of the as‐prepared aminosilanized magnetic carbon microspheres were characterized by elemental analysis, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, powder X‐ray diffraction, and vibrating sample magnetometry. The effects of the experimental parameters were investigated by the Plackett–Burman design, and then the parameters that were significant to the extraction efficiencies were optimized through a response surface methodology. The aminosilanized magnetic carbon microspheres exhibited high adsorption efficiency and selectivity for bisphenols. Under optimal conditions, low limits of detection (0.011–2.22 ng/L), and a wide linear range (2–3 orders of magnitude), good repeatability (4.7–7.8%, n = 5), and reproducibility (6.0–8.3%, n = 3) were achieved. The results demonstrate that the novel adsorbent possesses great potentials in the determination of trace levels of bisphenols in environmental water samples.