Synthesis of an imprinted polymer for the determination of methylmercury in marine products

被引:15
作者
Rodriguez-Fernandez, Roi [1 ]
Pena-Vazquez, Elena [1 ]
Bermejo-Barrera, Pilar [1 ]
机构
[1] Univ Santiago de Compostela, Fac Chem, Dept Analyt Chem Nutr & Bromatol, E-15782 Santiago De Compostela, Spain
关键词
Methylmercury; Molecularly imprinted polymer (MIP); SPE; HRCSAAS; Fish; HIGHLY SELECTIVE DETERMINATION; GLASSY-CARBON ELECTRODE; MERCURY(II) IONS; PRECONCENTRATION; SEPARATION; SORBENT; REMOVAL; SENSOR; HG2+; EXTRACTION;
D O I
10.1016/j.talanta.2015.06.028
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A molecularly imprinted polymer was synthesized using the precipitation method with methylmercury chloride as the template, phenobarbital as ligand, methacrylic acid (MMA) as monomer, and ethylene glycoldimethacrylate (EDMA) as cross-linking agent. The MIP was characterized using elemental analysis, infrared spectroscopy, energy dispersive X-ray fluorescence and scanning electron microscopy. The operating conditions for solid phase extraction (SPE) were optimized in column mode (pH, loading and elution flow rate using 1 M thiourea in 1 M HCl). The polymer was used for analyzing the toluene extracts of two reference materials (BCR-463 and TORT-2) with good accuracy. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:636 / 641
页数:6
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