杨成雄, 严秀平. Fabrication of a Metal-Organic Frameworks ZIF-8@Fe3O4 Composite and Its Magnetic Solid Phase Extraction of Endocrine Disrupting Chemicals in Water[J]. 2019, 38(5): 563-568.
杨成雄, 严秀平. Fabrication of a Metal-Organic Frameworks ZIF-8@Fe3O4 Composite and Its Magnetic Solid Phase Extraction of Endocrine Disrupting Chemicals in Water[J]. 2019, 38(5): 563-568.DOI: doi:10.3969/j.issn.1004-4957.2019.05.010.
A metal-organic framework ZIF-8@Fe3O4 composite was synthesized for the extraction of endocrine disrupting chemicals(EDCs) in water samples by magnetic solid phase extraction(MSPE).Effects of ZIF-8 growth cycles
extraction time
ionic strength
pH
desorption solvent and desorption time on MSPE were investigated.The developed MSPE combined with high performance liquid chromatography was successfully applied in the detection of 4 endocrine disrupting chemicals(EDCs)
i.e.bisphenol A
nonyl phenol
octyl phenol and estrone in water samples.Under the optimized conditions
there existed linear relationships for the 4 analytes in the range of 1.0-1 000 μg/L
with the detection limits(S/N=3) of 0.42-0.81 μg/L and the enhancement factors of 61-144.The relative standard deviations(RSDs) for inter-day(n=6) and intra day(n=3) were 2.1%-4.3% and 3.5%-5.8%