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wen xiang zhong you xiao cheng fen jia mi ju zuo de ce ding
Author(s): 
Pages: 27+29
Year: Issue:  4
Journal: Agrochemicals

Keyword:  甲醚菊酯有效成分蚊香气相色谱法驱蚊效果气相色谱测定含量测定方法分析方法样品处理随机取样;
Abstract: <正> 一、前言目前,我国生产的蚊香中有效成分,以丙烯菊酯.甲醚菊酯、三氯杀虫酯为主,其中尤以拟除虫菊酯的驱蚊效果最佳。本实验就气相色谱法对蚊香中的甲醚菊酯含量测定方法进行了一些摸索。二、分析方法 (一)样品处理从蚊香中随机取样3~4圈,用粉碎机研成粉末,然后用四分法从粉末中称取2克样品,转入100毫升具塞三角瓶中,加入30毫升
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