125 g/L联苯吡菌胺乳油的高效液相色谱-质谱分析方法  

HPLC-MS method for analysis of bixafen 125 g/L EC

作　　者：王丽娟 常海龙 顾晓雪 李保同[1] WANGLijuan;CHANG Hailong;GU Xiaoxue;LI Baotong(Institute of Land Resources and Environment,Jiangxi University of Agriculture,Nanchang 330045,China)

机构地区：[1]江西农业大学国土资源与环境学院,南昌330045

出　　处：《农药》2025年第4期260-262,共3页Agrochemicals

基　　金：江西省现代水稻产业技术体系-绿色防控赶赴为计划项目(9021108852)。

摘　　要：[目的]建立一种高效液相色谱-质谱联用(HPLC-MS)法测定125 g/L联苯吡菌胺乳油。[方法]采用色谱柱Zorbax Eclipse XDB-C_(18)进行分离和定量分析,流动相为乙腈-0.1%甲酸水(体积比70:30),流速为0.6 mL/min,ESI离子源(-)模式扫描测定。[结果]HPLC-MS分析方法的决定系数达到0.9998,标准偏差为0.002,变异系数为0.2%,回收率在97.62%~100.49%范围内,平均回收率达到99.47%。[结论]此分析方法分析速度快、检出限低、灵敏度高,可以准确分析125 g/L联苯吡菌胺乳油。[Aims]The aim is to develop a high-performance liquid chromatography-tandem mass spectrometry(HPLC-MS)method to determine bixafen 125 g/L EC.[Methods]Chromatographic column(Zorbax Eclipse XDB-C_(18))was used for separation and quantitative analysis.The mobile phase was acetonitrile-0.1%formic acid aqueous solution(70:30,by vol),and the flow rate was 0.6 mL/min,with ESI ion source(-)mode scanning.[Results]The determination coefficient of HPLC-MS analysis method was 0.9998,the standard deviation was 0.002,the coefficient of variation was 0.2%,the recovery rate ranged from 97.62%to 100.49%,and the average recovery rate was 99.47%.[Conclusions]This analytical method has the advantages of rapid analysis,low detection limit and high sensitivity,and it can accurately analyze bixafen 125 g/L EC.

关 键 词：高效液相色谱-质谱 分析 联苯吡菌胺 

分 类 号：TQ450.7[化学工程—农药化工]