A quantitative analytical method of 5% diethylmethylbenzamide in drive-worms floral-water by GC was introduced, Dibutyl Phthalate was selected as internal standard.

• 本文介绍了以邻苯二甲酸二丁脂为内标物，对5%25避蚊胺驱虫花露水进行有效成份测定的气相色谱分析法。