Study on pesticide residues in vegetables in Changchun

This paper is about the pesticides residues in vegetables in Changchun city of China. The equipment we used was rapid detection and capillary gas chromatography. The detective results show that the rate of exceeding hygiene standard was 11.05% in the autumn of 2002 for the total tested 16 types of vegetables distributed in 9 markets, and among them, 9 kinds of the vegetables went beyond the limit of hygiene, and the main residues pesticides were methamidophos, omethoate, and dichlorvos. In the spring of 2003, the exceeding rate was 11.0% for 17 types of vegetables in the same markets to 2002, but residual pesticides were phytore mediation, cypermethrin, renvalerate, parathion, phorate, and dichlorvos, and the residual pesticides in 3 types of the vegetables exceeded hygienic standard seriously.