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Evaluation on degradation effect for highly toxic organophosphorus pesticide in vegetable by a detoxification machine
Pages: 1437-1440
Year: Issue:  12
Journal: Occupation and Health

Keyword:  Detoxification machineVegetableOrganophosphorus pesticideDegradation rate;
Abstract: 目的 了解解毒机对蔬菜中多种剧毒有机磷农药降解情况.方法 将残留在生菜、上海青、四季豆、黄瓜上的甲胺磷、久效磷、乐果和对硫磷,用解毒机进行清洗,同时用自来水浸泡作对照,然后采用毛细管柱气相色谱法测定,计算降解率,评价其降解效果.结果 解毒机清洗蔬菜20 min达最佳,在4种蔬菜中甲胺磷的降解率为72.13% ~79.86%,久效磷为74.58%~ 81.99%,乐果为49.33% ~ 55.08%,对硫磷为57.34% ~60.03%.自来水浸泡蔬菜30 min达最佳,在4种蔬菜中4种农药的降解率在19.74% ~35.91%之间.结论 解毒机对蔬菜中剧毒有机磷农药降解速度快,效果好.
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