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基质固相分散-高效液相色谱法测定蔬菜中邻苯二甲酸酯类
引用本文:寇立娟,张玉倩,李兰晓,孔维超,谢惠,王明林. 基质固相分散-高效液相色谱法测定蔬菜中邻苯二甲酸酯类[J]. 食品与发酵工业, 2007, 33(6): 120-122
作者姓名:寇立娟  张玉倩  李兰晓  孔维超  谢惠  王明林
作者单位:1. 山东农业大学食品学院,山东泰安,271018
2. 山东农业大学资源与环境学院,山东泰安,271018
摘    要:研究了蔬菜中的邻苯二甲酸二丁酯(di-n-butyl phthalate,DBP)和邻苯二甲酸二辛酯(di-2-ethylhexyl phthalate,DEHP)基质固相分散处理和高效液相色谱测定方法。蔬菜样品经弗罗里硅土和石墨化碳黑研磨均匀后,用乙酸乙酯淋洗净化。结果表明:DBP和DEHP在0.1~10mg/L范围内具有良好的线性,样品的添加回收率在86.2%~91.4%,相对标准偏差2.9%~4.8%。该方法操作简便经济,分析速度快,可适用于大批量样品分析。

关 键 词:邻苯二甲酸酯  基质固相分散  液相色谱法  蔬菜
修稿时间:2007-01-082007-04-18

Matrix Solid-phase Dispersion for the HPLC Determination of Phthalic Acid Esters in Vegetables
Kou Lijuan,Zhang Yuqian,Li Lanxiao,Kong Weichao,Xie Hui,Wang Minglin. Matrix Solid-phase Dispersion for the HPLC Determination of Phthalic Acid Esters in Vegetables[J]. Food and Fermentation Industries, 2007, 33(6): 120-122
Authors:Kou Lijuan  Zhang Yuqian  Li Lanxiao  Kong Weichao  Xie Hui  Wang Minglin
Affiliation:1.College of Food Science and Engineering, Shandong Agricultural University, Taian 271018,China;2.College of Resources and Enviroment, Shandong Agricultural University, Taian 271018,China
Abstract:A method based on matrix solid-phase dispersion(MSPD)and High Performance Liquid Chro- matography.(HPLC)to determine di-n-butyl phthalate(DBP)and di-2-ethylhed exyl phthalate(DEHP)in vegetables was described.The method required Florisil as dispersant sorbent,graphitizand carbon black as purification material and ethyl acetate as eluting solvent.The result showed that linear response over DBP and DEHP was good from 0.1 to 10mg/kg,recoveries of spiked samples ranged from 86.2% to 91.4% and relative standard deviations were from 2.9% to 4.8%.The method was simple,fast and proper for prepara- tion of large number of samples.
Keywords:phthalic acid esters   matrix solid-phase dispersion   HPLC   vegetables
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