期刊
JOURNAL OF POROUS MATERIALS
卷 25, 期 6, 页码 1771-1781出版社
SPRINGER
DOI: 10.1007/s10934-018-0590-7
关键词
Malachite green; Tb-organic framework; Solid phase extraction; Water; Aquatic product
资金
- Research Council of Alzahra University
Environmental problems and food safety are very important public concern in recent years. Malachite green which is used as an antibacterial agent in aquaculture is a carcinogenic compound and causes the health risk. In this study, a terbium-metal-organic framework (Tb-MOF) was applied as a solid phase for extraction and spectrophotometric determination of malachite green (MG) residue in the aquatic product. Tb-MOF was synthesized by hydrothermal method and characterized. Several experimental parameters such as pH of the sample, sorption time, sorbent dosage were considered to investigate the synthesized Tb-MOF performance. The adsorption capacity of the Tb-MOF was studied based on the Langmuir isotherm and the maximum sorption capacity was obtained 480mgg(-1). Under the optimum conditions, the solid phase extraction procedure was performed in 5min by methanol as eluent and the limits of detection calculated as 1.66ng mL(-1). The fast and simple proposed method was successfully applied to the determination of MG in water and fish samples with the spiked recoveries ranging from 95.6 to 104.3%.
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