Journal
TALANTA OPEN
Volume 8, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.talo.2023.100269
Keywords
Dispersive solid-phase extraction; Zeolitic imidazolate framework; High-performance liquid chromatography; Bisphenol A; 2-Phenyl phenol
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The ZIF-7@ZIF-67/PES composite was synthesized and applied for efficient dispersive solid-phase extraction of bisphenol A (BPA) and 2-phenyl phenol (BPh) from real samples. The composite structure was examined through various techniques and satisfactory results were obtained in the application process.
The ZIF-7@ZIF-67/PES composite was synthesized and applied for efficient dispersive solid-phase extraction of bisphenol A (BPA) and 2-phenyl phenol (BPh) from three real samples. The extracted analytes were separated and quantified using a high-performance liquid chromatography UV-Vis detector. The nanocomposite structure was examined through a series of techniques including field emission scanning electron microscopy, X-ray diffraction spectroscopy, Fourier transform infrared spectroscopy, energy-dispersive X-ray spectroscopy, and nitrogen adsorption-desorption experiment. For the first time, the ZIF-7@ZIF-67/PES was synthesized by an easy synthesis method, and it was applied in the field of extraction and separation of organic compounds. The composite was used for the extraction of BPA and BPh from a baby milk bottle, frozen water in a PET bottle, thermal paper followed by separation and determination of the analytes by high-performance liquid chromatography-ultraviolet detector and satisfactory results were obtained. Affecting parameters on the extraction efficiency of the analytes were optimized. Under optimal conditions, suitable linear range (2.0-500.0 mu g L-1), limit of detection (0.6 mu g L-1), repeatability (<3.1), and enhancement factors (150 and 182) were obtained for bisphenol A and 2-phenyl phenol, respectively.
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