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[1]崔如玉,李壹,熊晓辉.食品中常见有机磷农药残留的气相色谱-质谱检测方法[J].南京工业大学学报(自然科学版),2017,39(01):137-144.[doi:10.3969/j.issn.1671-7627.2017.01.022]
 CUI Ruyu,LI Yi,XIONG Xiaohui.Detection of organophosphorus pesticide residues in food by gas chromatography-mass spectrometry[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2017,39(01):137-144.[doi:10.3969/j.issn.1671-7627.2017.01.022]
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食品中常见有机磷农药残留的气相色谱-质谱检测方法()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
39
期数:
2017年01期
页码:
137-144
栏目:
出版日期:
2017-01-21

文章信息/Info

Title:
Detection of organophosphorus pesticide residues in food by gas chromatography-mass spectrometry
文章编号:
1671-7627(2017)01-0137-08
作者:
崔如玉李壹熊晓辉
南京工业大学 食品与轻工学院,江苏 南京 211800
Author(s):
CUI RuyuLI YiXIONG Xiaohui
College of Food and Light Industry,Nanjing Tech University,Nanjing 211800,China
关键词:
气相色谱-质谱仪 有机磷 农药残留 食品
Keywords:
gas chromatography-mass spectrometry organophosphorus pesticide residues food
分类号:
O657.63
DOI:
10.3969/j.issn.1671-7627.2017.01.022
文献标志码:
A
摘要:
建立了气相色谱-质谱联用技术分析蔬菜、谷物中敌敌畏、甲胺磷等16种有机磷农药残留的快速检测方法。样品用乙腈提取,采用QuEChERS处理方法进行前处理,用气相色谱-质谱联用多反应监测仪检测16种有机磷农药残留。16种有机磷农药在15 min内流出,分离度良好,农药在0.025~0.4 mg/kg范围内线性良好,相关系数(R2)均大于0.94。不同基质如大米、面粉、蔬菜的加标回收率分别为75.9%~112.2%、77.3%~126.9%、76.2%~125.3%,相对标准偏差(RSD)<8.5%。重复性实验引入的不确定度符合国家标准。该方法具有操作方便、分离时间短、灵敏度高、选择性好等优点,适用于大多数食品中有机磷农药残留检测。
Abstract:
To establish a rapid detection method for the determination of dichlorvos,methamidophos and other organophosphorus pesticide residues in vegetables and grains by gas chromatography-mass spectrometry(GC-MS),samples were first extracted with acetonitrile and pretreated by QuEChERS method,then detected by gas chromatography-mass spectrometry under multiple reaction monitoring.16 kinds of organophosphorus pesticides could be detected within 15 min with a good separating degree and good linearity.The correlation coefficient range was 0.025-0.4 mg/kg,and the correlation coefficient(R2)were more than 0.94.The standard addition recovery rates of different substrates such as rice,flour,and vegetable were in the ranges of 75.9%-112.2%, 77.3%-126.9%, and 76.2%-125.3% with relative standard deviation(RSD)<8.5%.The uncertainty of the repeated experiments met the national standards.The method was simple,rapid,high sensitivity,good selectivity,and was suitable for determination of organophosphorus pesticides residues in food.

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备注/Memo

备注/Memo:
收稿日期:2015-07-13
基金项目:国家科技支撑计划(2012BAK17B09); 江苏省科技基础设施建设计划(BM2012026)
作者简介:崔如玉(1990—),女,江苏扬州人,硕士,主要研究方向为食品安全; 熊晓辉(联系人),教授,E-mail:xxh@njtech.edu.cn.
引用本文:崔如玉,李壹,熊晓辉.食品中常见有机磷农药残留的气相色谱-质谱检测方法[J].南京工业大学学报(自然科学版),2017,39(1):137-144..
更新日期/Last Update: 2017-01-15