肟菌酯原药中 1,2-二氯乙烷的气相色谱测定  

Determination of 1,2-Dichloroethane in Technical Trifloxystrobin by GC

作　　者：蒋锋 李楠楠 覃柳琼 JIANG Feng;LI Nan-nan;QIN Liu-qing(GreenTech Laboratory Co.,Ltd.,Shanghai 201612,China)

机构地区：[1]上海晓明检测技术服务有限公司,上海201612

出　　处：《精细化工中间体》2021年第5期89-92,共4页Fine Chemical Intermediates

摘　　要：采用气相色谱法测定肟菌酯原药中1,2-二氯乙烷含量。以二氯甲烷为溶剂,选用Agilent DBFFAP毛细柱色谱管进行分离,氢火焰离子化检测器检测、外标法定量。结果表明,方法的标准曲线线性相关系数为0.997 1,标准偏差为5.08 mg/kg,变异系数为2.52%,平均回收率为95.5%,定量限为96 mg/kg。该方法简便快速,分离效果好,准确度高,重现性好,适用于肟菌酯原药中1,2-二氯乙烷的定量测定。A GC-FID method was developed to determine the content of 1,2-dichloroethane in technical trifloxystrobin.In this method,the sample was dissolve in dichloromethane and separated by an Agilent DB-FFAP capillary column.A linear relation(r=0.9971)and a satisfied precision results(SD=5.08 mg/kg,RSD=2.52%)along with an average recovery of 95.5%and the LOQ of 96 mg/kg were obtained.This method is suitable for the analysis of 1,2-dichloroethane in technical trifloxystrobin with high selectivity,accuracy and efficiency.

关 键 词：1 2-二氯乙烷 肟菌酯原药 气相色谱法 外标法 

分 类 号：O657.71[理学—分析化学]