2011年西宁市蔬菜农药残留状况分析

目的以2011年西宁市102个蔬菜样品为研究对象,分析蔬菜农药残留超标情况。方法采用气相色谱和气质联用法测定其中14种有机磷、有机氯、拟除虫菊酯类农药残留。结果 102份样品中有机磷、有机氯及拟除虫菊酯类农药的检出率分别为6.9%、30.3%、0.9%超标率分别为2.9%、13.7%、0.9%。结论蔬菜农药总体情况良好,但在蔬菜农药使用方面还存在许多问题,质量监督部门应加强重视。

Analysis on status of pesticide residues on vegetables of Xining City in 2011

Objective To analyze the excess status of pesticide residues on vegetables based on 102 vegetable samples of Xining in 2011.Method Use gas chromatography and GC-MS methods to determine 14 kinds of organ phosphorus,organ chlorine and pyrethroid pesticide residues.Results The detection rates of organ phosphorus,organ chlorine and pyrethroid pesticide residues among 102 samples of were 6.9%,30.3%,0.9% respectively,and the exceeded rates were 2.9%,13.7%,0.9% respectively.Conclusions The overall situation of vegetables pesticides was good,but there were still many problems in the use of pesticides,to which should be taken more attention by supervision departments.