A novel molecularly imprinted polymer for simultaneous extraction and determination of sudan dyes by on-line solid phase extraction and high performance liquid chromatography.
作者： Chuande Zhao , Ting Zhao , Xiaoyan Liu , Haixia Zhang
DOI: 10.1016/J.CHROMA.2010.09.005
关键词: Molecular imprinting 、 Ethylene glycol dimethacrylate 、 Molecularly imprinted polymer 、 Sudan I 、 Solid phase extraction 、 Sudan III 、 Chromatography 、 Chemistry 、 Sudan IV 、 Sudan II
摘要: Abstract A novel molecularly imprinted polymer was synthesized with attapulgite employed as matrix, which is simple and time-saving. In this method, sudan I chosen template molecule, 2-vinylpyridine functional monomer ethylene glycol dimethacrylate cross-linking agent, respectively. The characterized by the infrared spectroscopy transmission electron microscopy. Then selectivity experiments were performed on dyes recognition coefficients for I, II, III IV 2.9, 1.9, 1.9 2.3, As packing material of solid-phase extraction, has been applied to on-line concentration four in samples from Yellow River water, tomato sauce sausage. corresponding analytical methods determine these have developed. limits detection range 0.01–0.05 ng mL−1 1.0–3.0 ng g−1 0.8–3.0 ng g−1
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