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High Internal Phase Emulsion Polymeric Monolith Extraction Coupling with High-Performance Liquid Chromatography for the Determination of Para Red and Sudan Dyes in Chilli Samples

文献类型： 外文期刊

作者： Du, Fuyou 1 ; Zheng, Xian 1 ; Deng, Jianchao 2 ; Zou, Jiao 1 ; Zeng, Qiulian 1 ; Li, Jianping 1 ; Ruan, Guihua 1 ;

作者机构： 1.Guilin Univ Technol, Coll Chem & Bioengn, Guangxi Key Lab Electrochem & Magnetochem Funct M, Guilin 541004, Peoples R China

2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab Aquat Prod Proc, Minist Agr, Guangzhou 510300, Guangdong, Peoples R China

3.Guilin Univ Technol, Guangxi Collaborat Innovat Ctr Water Pollut Contr, Guilin 541004, Peoples R China

关键词： High internal phase emulsion;Monolithic column;Solid-phase extraction;Para Red;Sudan dyes

期刊名称：FOOD ANALYTICAL METHODS （ 影响因子：3.366； 五年影响因子：3.07 ）

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收录情况： SCI

摘要： Polymerized high internal phase emulsion (polyHIPE) monoliths were synthesized by in situ polymerization of the continuous phase of a high internal phase emulsion (HIPE) in syringes and successfully applied as monolithic sorbents to extract Para Red and Sudan dyes in chilli samples. Several parameters affecting the extraction efficiency were investigated, including the type of desorption solvent, sample loading rate, sample volume, and pH. Under the optimized conditions, a method using a monolithic polyHIPE column combined with high-performance liquid chromatography (HPLC) was developed for the simultaneous extraction and sensitive determination of Para Red and Sudan dyes in chilli samples. The proposed method had good linearity, with correlation coefficients (R-2) from 0.9985 to 0.9995 and low detection limits (LODs, S/N = 3) in the range 1.5-12 ng/mL for the five analytes. The mean recoveries were ranged from 82.6 to 114.3% with relative standard deviations (RSDs) lower than 4.2%.

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