农机化研究Issue(9)：182-185,4.
可见分光光度法检测苹果中毒死蜱农药残留的研究
Study on Determination of Dursban Pesticide Residues in Apples by Visible Spectrophotometry
摘要
Abstract
In order to research the fast and safety determination method of Dursban pesticide residues in apples , based on the colorimetric reaction between Dursban and pbcl 2 which was dissolved in acetic acid and used as colorimetric reagent , the coloring conditions were optimized .The experiment results showed the absorbance spectrogram was better using acetic acid instead of concentrated hydrochloric acid and under the optimum coloring conditions logarithm correlation coefficient of Dursban concentration (0.5~16 mg/kg) and corresponding absorbance was R 2=0.9928 at 415 nm absorption wave-length.Optimum temperature and time of colorimetric system was 45℃and 2 min, sample recovery percent was 91.6%~108 .9%.The research provides the feasible basis for developing light source of portable pesticide residues detecting in -strument .关键词
毒死蜱农药残留/分光光度法/比色反应Key words
dursban pesticide residues/spectrophotometry/colorimetric reaction分类
农业科技引用本文复制引用
李文,张健鑫,李由,李民赞,孙明..可见分光光度法检测苹果中毒死蜱农药残留的研究[J].农机化研究,2014,(9):182-185,4.基金项目
公益性行业（农业）科研专项（201003008）；北京市大学生科学研究与创业行动计划项目 （）
