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茶叶中的农药成分采用石油醚进行提取,将提取液通过TPT柱进行净化,用1:1石油醚与丙酮进行洗脱,置换溶剂系统后,通过气相色谱仪检测,检测结果拟除虫菊酯类农药其相关系数均在0.99以上,回收率在88%~113.33%,符合农残分析要求,且重现性较好。茶叶是中国人生活中重要的组成部分,随着人们生活水平的提高和健康意识的增强,茶叶的质量与安全成为人们所关注的重点问题。在生物灾害的综合治理中,根据目前植物
Pesticide constituents in tea were extracted with petroleum ether. The extract was purified by TPT column, eluted with 1: 1 petroleum ether and acetone. The solvent system was replaced by gas chromatography. The pyrethroid pesticides The correlation coefficients were above 0.99 and the recoveries ranged from 88% to 113.33%, which met the requirements of pesticide analysis and had good reproducibility. Tea is an important part of Chinese life. With the improvement of people’s living standards and health awareness, tea quality and safety have become the focus of attention. In the integrated management of biological disasters, according to the current plant