)技术鉴别了所存在的微量杂质。方法实用性强 ,色谱分离效果好 ,可用于该农药各成分
Two non _ enantiomers and trace impurities in cyhalothrin were identified by HPLC-MS with collision _ induced dissociation(CID) technique. The isomers can be completely separated on an ODS-C18 column. The method is rapid and simple. It can be applied to the qualitative and quantitative analysis of all components in cyhalothrin.