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当前位置: 首页 > 文章 > SPE-GC-μECD测定蔬菜中6种三唑类农药的残留量 安徽农业科学 2014 (18) 87-89
Position: Home > Articles > Determination of Six Triazole Pesticides Residues in Vegetables by SPE-GC-μECD Journal of Anhui Agricultural Sciences 2014 (18) 87-89

SPE-GC-μECD测定蔬菜中6种三唑类农药的残留量

作  者：
徐颖洁
单  位：
南京农业大学作物遗传与种质创新国家重点实验室
关键词：
蔬菜;三唑类农药;残留量;气相色谱-微电子捕获检测器
摘  要：
[目的]建立一种蔬菜中6种三唑类农药残留的气相色谱检测方法。[方法]蔬菜样品用乙腈提取,盐析分层后上清液经固相萃取柱净化,用丙酮+正己烷(20+80)洗脱,采用带微电子捕获检测器的气相色谱仪测定其中腈菌唑、戊菌唑、三唑酮、苯醚甲环唑、丙环唑、三唑醇6种三唑类农药的残留量。[结果]方法的平均加标回收率范围为72.90%~98.80%,相对标准偏差范围为1.18%~9.88%。6种三唑类农药检测限范围为0.010~0.210 mg/kg。[结论]该方法的建立为蔬菜中腈菌唑、戊菌唑、三唑酮、苯醚甲环唑、丙环唑、三唑醇6种三唑类农药残留的检测提供了参考。
译  名：
Determination of Six Triazole Pesticides Residues in Vegetables by SPE-GC-μECD
作  者：
XU Ying-jie;State Key Laboratory of Crop Genetics and Gemplasm Enhancement,Nanjing Agricultural University;
关键词：
Vegetables;;Trizole pesticides;;Residues;;Gas chromatography-microelectron capture detection
摘  要：
[Objective]The aim was to establish a determining method of six trizole pesticides residues in vegetables by gas chromatographymicroelectron capture detection. [Method]The samples were extracted with acetonitril,followed by a salting-out step. The supernatants were cleaned up by solid phase extraction cartridge,and eluted by acetone and n-hexane. Residues of six trizole pesticides in vegetables were detected by using gas chromatography with microelectron capture detection,including myclobutanil,penconazole,triadimefon,difenoconazole,propiconazole and triadimenol. [Result] Average recoveries of six trizole bactericides ranged from 72. 90% to 98. 80%,with the relative standard deviations between 1. 18% and 9. 88%. The detection limits of six trizole pesticides residues in vegetables ranged from 0. 010 mg /kg to 0. 210 mg /kg. [Conclusion]The establishment of method in this study provides reference for the detection of six trizole pesticides residues in vegetables,including myclobutanil,penconazole,triadimefon,difenoconazole,propiconazole and triadimenol.

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