【摘要】 以HPLC和GC MS为检测手段 ,对臭氧降解大白菜中农药残留进行了研究。结果表明 ,用臭氧处理时间愈长 ,大白菜中农药愈易降解 ,处理 30min后 ,久效磷、甲基对硫磷、乐果及灭多威的降解率均超过 5 0 %。更多还原

【Abstract】 The pesticide residues in vegetable handled by ozone were determinated by HPLC or GC MS.The results showed that the contents of pesticide residues were declining with the handling time.The degradation ratio of four pesticides(monocrotophos,dimethoate,parathion methyl and methomyl)residue all exceeded 50% in 30 minutes.更多还原