甲基嘧啶磷·高效氯氟氰菊酯微囊悬浮剂液相色谱分析  

HPLC analysis research of pirimiphos-methyl and lambda-cyhalothrin CS

作　　者：吴曼 王胜得 李敏 李涛 曹金艳 WU Man;WANG Sheng-de;LI Min;LI Tao;CAO Jin-yan(National Engineering Research Center for Agrochemicals,Hunan Research Institute of Chemical Industry,Changsha 410014,China;Hunan Province Key Laboratory for Agrochemicals,Changsha 410014,China;Hunan Haili Chemical Industry Co.,Ltd.,Changsha 410007,China;Beinong(Haili)Zhuozhou Seed-coating Co.,Ltd.,Baoding 072750,Hebei,China)

机构地区：[1]湖南化工研究院有限公司国家农药创制工程技术研究中心,长沙410014 [2]农用化学品湖南省重点实验室,长沙410014 [3]湖南海利化工股份有限公司,长沙410007 [4]北农(海利)涿州种衣剂有限公司,河北保定072750

出　　处：《农药》2022年第12期886-888,909,共4页Agrochemicals

摘　　要：[目的]建立了微囊悬浮剂中甲基嘧啶磷和高效氯氟氰菊酯2种有效成分同时测定的高效液相色谱分析方法。[方法]选用C18色谱柱,在乙腈-水(体积比80∶20)的流动相条件下,选择230 nm为检测波长,对试样中甲基嘧啶磷和高效氯氟氰菊酯进行了有效分离和定量检测。[结果]方法中甲基嘧啶磷和高效氯氟氰菊酯的线性相关系数分别为0.999 85和0.999 99,标准偏差为0.13和0.04,相对标准偏差为0.71%和1.94%,平均添加回收率分别为100.65%和99.50%。[结论]该方法简便快速,准确度高,精密度好,适应于日常分析。[Aims]This study aims to establish a method for simultaneous analysis of pirimiphos-methyl and lambda-cyhalothrin in aqueous capsule suspensions by HPLC.[Methods]Chromatographic experiments were performed on a C18column,eluted with acetonitrile and water(80∶20,by vo1)as mobile phase,and the detection wave length was 230 nm.[Results]In the detection methods of pirimiphos-methyl and lambda-cyhalothrin,the linear correlation coefficients were 0.99985 and 0.99999,the standard deviations were 0.13 and 0.04,RSD were 0.71%and 1.94%,and average recovery rate were 100.65%and 99.50%,respectively.[Conclusions]The proposed method in this study displayed the advantages of convenience,fast separation,high precision and accuracy,which is suitable for routine analysis.

关 键 词：甲基嘧啶磷 高效氯氟氰菊酯 液相色谱 分析 

分 类 号：TQ450.7[化学工程—农药化工]