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Determination and Comparison on Residues of Pyrimethanil in Sword Bean and Wax Gourd
Author(s): 
Pages: 1-3
Year: Issue:  2
Journal: Rain Fed Crops

Keyword:  嘧霉胺高效液相色谱刀豆冬瓜;
Abstract: [目的]用高效液相色谱法测定刀豆中不同浓度的嘧霉胺残留量,获得检测条件,并比较刀豆与冬瓜中嘧霉胺残留量的差异.[方法]刀豆样品在乙腈中匀浆,过滤后用甲醇-二氯甲烷溶液萃取,提取残留的嘧霉胺,在270 nm波长下分析不同浓度的嘧霉胺对添加回收率的影响.[结果]刀豆对嘧霉胺的保留能力比冬瓜要强,使得嘧霉胺回收率增加.[结论]不同种类的蔬菜对嘧霉胺的残留量有一定差异,表皮是否是影响残留量的决定因素是后续研究的重点.
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