杀鼠新玉米毒饵的有效成分分析

Analysis of the Active Ingredient of Shashuxin,a New Rodenticide by Visible Spectrophotometry

本文研究了以ＦｅＣｌ３为显色剂，用可见分光光度法测定杀鼠新玉米毒饵中杀鼠新的含量，选定丙酮为毒饵的萃取溶剂，萃取时间３５小时，５分钟显色时间，最大吸收波长４９２纳米。杀鼠新在００２～０２０毫克／毫升范围内呈良好的线性关系，检出下限为０００５７毫克／毫升。考查了不同毒饵添加剂对本分析方法的干扰。实验证明，本方法经济简便，准确性及重现性均良好，利于普及和应用。

The active ingredients of Shashuxin,a new rodenticide corn poison bait was determined by visible spectrophotometry.By using acetone as extract solvent,the extracting time is 3.5 hrs.The maximum absorption wavelenth(λ max )is 492 nm.The results showed that the calibration curve is linear graph when the phenol concentration is in the range of 0.02～0.2 mg/ml.The detection limits is 0.0057 mg/ml.The results showed that the method is simple,sensitive,rapid and reproducible.