农药AGROCHEMICALS韩宏博,汪庆屹,程志加,等.苯唑氟草酮在不同土壤中的移动性[J].农药,2023,62(7):499-503.doi:10.16820/j.nyzz.2023.2083收稿日期:2023-02-19,修返日期:2023-04-01基金项目:农业部行业标准制双炔酰菌胺胺在人参中的残留限量标准(14202008)项目资助作者简介:韩宏博(1998—),男,研究生,从事农药残留分析与环境毒理研究。E-mail:hhb27x@163.com。苯唑氟草酮在不同土壤中的移动性韩宏博,汪庆屹,程志加,李万金,郑晓东,张雪峰,刘涵菊,李佳欣,侯志广,逯忠斌(吉林农业大学植物保护学院,长春130118)摘要:[目的]建立并验证基于HPLC-MS/MS测定不同土壤样品中苯唑氟草酮的分析方法,利用薄层层析法研究苯唑氟草酮在5种土壤上的移动特性。[方法]土壤样品经乙腈和0.2%甲酸水混合溶液提取,无水MgSO4和N-丙基乙二胺吸附剂净化,经HPLC-MS/MS测定。[结果]苯唑氟草酮在5种土壤薄层层析板中主要分布在30~60mm处,通过Rf判断均为不易移动性农药。[结论]试验所建立的分析方法具有良好的准确度和精密度,适用于检测土壤中苯唑氟草酮含量,并且在正常条件下,苯唑氟草酮通过移动作用进入地下水从而造成污染的风险比较低。关键词:苯唑氟草酮;移动性;薄层层析法;HPLC-MS/MS中图分类号:TQ450.2文献标志码:A文章编号:1006-0413(2023)07-0499-05MovementcharacteristicsoffenpyrazoneindifferentsoilsHANHongbo,WANGQingyi,CHENGZhijia,LIWanjin,ZHENGXiaodong,ZHANGXuefeng,LIUHanju,LIJiaxin,HOUZhiguang,LUZhongbin(CollegeofPlantProtection,JilinAgriculturalUniversity,Changchun130118,China)Abstract:[Aims]ThisstudyaimstoestablishandoptimizethemethodforthedeterminationoffenpyrazoneresidueindifferentsoilsamplesbyHPLC-MS/MS,andtostudythemovementcharacteristicsoffenpyrazonein5kindsofsoilbythin-layerchromatography.[Methods]Soilsampleswereextractedwithmixtureofacetonitrileandwatercontaining0.2%formicacid,purifiedwithanhydrousmagnesiumsulfateandN-propylethylenediamineadsorbent,anddeterminedbyHPLC-MS/MS.[Results]Inthe5soilthinlayerchromatographyplates,fenpyrazonewasmainlydistributedat30-60mm,andallofthemindicatedthatfenpyrazonewerenoteasilymobilepesticideaccordingtoRf.[Conclusions]Theanalyticalmethodestablishedintheexperimenthasgoodaccuracyandprecision,andissuitable...