Akademik Veri Yönetim Sistemi
Microchemical Journal, cilt.225, 2026 (SCI-Expanded, Scopus)
In this study, a novel strontium/chromium-layered double hydroxide immobilized on a Cu-metal–organic framework nanocomposite was synthesized and applied as a sorbent for vortex-assisted dispersive micro solid-phase extraction of metalaxyl, ethion, and dichlorvos before gas chromatography–mass spectrometry analysis. The synthesized sorbent was characterized by Fourier-transform infrared spectroscopy, thermogravimetric analysis, Brunauer–Emmett–Teller analysis, X-ray diffraction, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. The main experimental parameters affecting extraction efficiency were optimized. Under the optimum conditions, the proposed method showed a linear range of 0.03–500 μg kg−1, limits of detection of 0.006–0.009 μg kg−1, and limits of quantification of 0.020–0.030 μg kg−1 for the studied samples. The relative recoveries ranged from 91.3 to 99.8%, while the intra-day (n = 6) and inter-day (5 days, n = 3) precisions were ≤2.2% and ≤2.8%, respectively, confirming the satisfactory accuracy, repeatability, and reproducibility of the method. In addition to its extraction performance, the synthesized SrCr-LDH@Cu-MOF exhibited photocatalytic activity toward the degradation of the target pesticides, achieving a degradation efficiency of 74.5% in the maximum wavelength range of 208–216 nm, which highlights its additional potential for contaminant removal. The greenness and sustainability of the proposed method were also evaluated using AGREE, AGREEprep, BAGI, and CaFRI tools, which gave scores of 0.58, 0.55, 60, and 88, respectively, confirming the acceptable green profile, practical applicability, and favorable sustainability of the method.