丹酰氯柱前衍生-HPLC荧光法测定食品接触材料中烷基酚类化合物迁移量
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摘要
采用丹酰氯柱前衍生,建立了HPLC荧光法测定食品接触材料中烷基酚类化合物迁移量的分析方法。结果表明:在0.1~10.0μg/m L范围内,线性关系良好,相关系数R~2≥0.9997;回收率86.7%~101.1%,相对标准偏差1.6%~4.2%,检出限0.5~20.0μg/kg。该方法前处理简单、准确度高、检出限低,可为食品接触材料监管部门和企业提供质量安全技术支持。
A method for determination of alkylphenol compounds in food contact material by precolumn derivatization with dansylchloride and high-performance liquid chromatography was established.The results showed that there was a good linerarity in the range of 0.1 ~ 10.0 μg/m L with the linear correlation coefficients no less than 0.9997; the recoveries were between 86.7% and 101.1%,and the relative standard deviations were between 1.6% and 4.2%,and the detection limits were between0.5 μg/kg and 20.0 μg/kg.The method has the advantages of simple pretreatment,high accuracy and low detection limit,and can provide the technical support for the administrative department and the enterprise of food contact materials.
A method for determination of alkylphenol compounds in food contact material by precolumn derivatization with dansylchloride and high-performance liquid chromatography was established.The results showed that there was a good linerarity in the range of 0.1 ~ 10.0 μg/m L with the linear correlation coefficients no less than 0.9997; the recoveries were between 86.7% and 101.1%,and the relative standard deviations were between 1.6% and 4.2%,and the detection limits were between0.5 μg/kg and 20.0 μg/kg.The method has the advantages of simple pretreatment,high accuracy and low detection limit,and can provide the technical support for the administrative department and the enterprise of food contact materials.
引文
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