摘要
[目的]建立了气相色谱串联质谱法(GC-MS)同时测定农药制剂中42种常见农药助剂含量的分析方法。[方法]样品由丙酮溶解,采用HP-INNOWAX毛细管色谱柱,选择离子监测模式(SIM)下进行分析。[结果]各农药助剂在0.02~10.0 mg/L质量浓度范围内线性关系良好,相关系数大于0.997,方法定量下限为0.1~0.5 mg/kg。42种农药助剂在不同添加水平下平均回收率为75%~101%,相对标准偏差(RSD)<12%。[结论]该方法操作简单,准确度高,适用于农药制剂中42种常见农药助剂的同时定量测定。
[Aims]A method for simultaneous determination of 42 pesticide adjuvants in pesticide formulations by gas chromatography-mass spectrometry.[Methods]The sample was dissolved by acetone and analyzed by HP-INNOWAX capillary column under the selected ion monitoring mode(SIM).[Results]The linear relationship of each pesticide adjuvants was good within the mass concentration range of 0.02-10.0 mg/L,and the correlation coefficient was greater than 0.997.The limit of detection of the method was 0.1-0.5 mg/kg.The average recoveries of 42 pesticide adjuvants at different levels were 75-101%,and the relative standard deviation(RSD)was<12%.[Conclusions]The method is simple,accurate and suitable for the simultaneous quantitative determination of 42 pesticide adjuvants in pesticide formulations.
作者
余文琴
李根容
肖昭竞
张丽妮
YU Wen-qin;LI Gen-rong;XIAO Zhao-jing;ZHANG Li-ni(Chongqing Academy of Metrology and Quality Inspection,Inspection on Agricultural Processed Products and Condiments,Chongqing 401123,China)
出处
《农药》
CAS
CSCD
北大核心
2019年第11期819-823,共5页
Agrochemicals
基金
重庆市科委计划项目(cstc2017jxjl0144)
关键词
农药助剂
气相色谱-质谱法
检测
农药制剂
pesticide adjuvants
gas chromatography-mass spectrometry
detection
pesticide formulations