食品科学 ›› 2012, Vol. 33 ›› Issue (22): 214-216.

• 分析检测 • 上一篇    下一篇

气相色谱法测定水产品中的氟乐灵

刘慧慧1,2,任传博3,宫向红1,2,徐英江1,2,邓旭修3,张华威3,田秀慧1,2,张秀珍1,2,*   

  1. 1.山东省海洋水产研究所 2.山东省海洋生态修复重点实验室 3.烟台山水海产有限公司
  • 收稿日期:2012-01-05 修回日期:2012-10-17 出版日期:2012-11-25 发布日期:2012-11-20
  • 通讯作者: 刘慧慧 E-mail:liuhh615@163.com
  • 基金资助:

    海洋公益性行业科研专项经费资助项目;新型持久性有机污染物监测与风险评估体系研究示范;基于生态系统的典型海域生物资源综合修复与调控技术研究及示范

Determination of Trifluralin Residues in Aquatic Products by Gas Chromatography

Hui-Hui LIU   

  • Received:2012-01-05 Revised:2012-10-17 Online:2012-11-25 Published:2012-11-20
  • Contact: Hui-Hui LIU E-mail:liuhh615@163.com

摘要: 建立水产品中氟乐灵残留量的气相色谱检测方法。水产品均质后,用丙酮提取,经正己烷液液萃取,弗罗里硅土固相萃取柱净化后,用气相色谱仪进行测定,外标法定量。该方法在0.5~100ng/mL质量浓度范围内,线性良好,定量限为1.0ng/g。分别在鳗鲡、三疣梭子蟹、文蛤、中国对虾和鲫鱼5种水产品中添加1~10ng/g氟乐灵,回收率在74.8%~99.7%之间。该方法操作简单、灵敏、准确,可以满足水产品中氟乐灵检测要求。

关键词: 气相色谱, 水产品, 氟乐灵

Abstract: A gas chromatography (GC) method was established for determining trifluralin residues in aquatic products in this study. The sample preparation procedure involved homogenization, acetone extraction, n-hexane partition (liquid-liquid extraction) and cleanup on a Florisil solid-phase extraction column before GC analysis. The quantification was performed by external standard method. The GC method showed good linear relationship over the concentration range of 0.5–100 ng/mL. The limit of quantification was 1.0 ng/g. The recovery rates of trifluralin from eel, crab, clams, crucian and shrimp when spiked at 1.0, 2.0 ng/g and 10.0 ng/g were 74.8%–99.7%, respectively. This method was simple, sensitive and accurate, and therefore could meet the requirements for the determination of trifluralin residues in aquatic products.

Key words: gas chromatography (GC), aquatic product, trifluralin

中图分类号: