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| 高效氯氟氰菊酯在不同有机溶剂中的光化学降解研究 | |
| 引用本文： | 陈玲珑,陈九星,陈力华,付启明,马铭,杨辉,张贵群.高效氯氟氰菊酯在不同有机溶剂中的光化学降解研究[J].精细化工中间体,2010,40(6). |
| 作者姓名： | 陈玲珑 陈九星 陈力华 付启明 马铭 杨辉 张贵群 |
| 作者单位： | 1. 湖南师范大学,化学化工学院,湖南,长沙,410081 2. 湖南化工研究院,国家农药创制工程技术研究中心,湖南,长沙,410007 3. 中南大学,化学化工学院,湖南,长沙,410083 4. 广西大学,农学院,广西,南宁,53000 |
| 摘 要： | 研究了以氙灯为光源,高效氯氟氰菊酯在不同有机溶剂中的光化学降解情况。结果表明:高效氯氟氰菊酯在正己烷、甲醇、乙腈、丙酮4种有机溶剂中,当浓度为10mg/L时,光解半衰期分别为2.95、3.88、5.27、50.6h;当浓度为20mg/L时,光解半衰期分别为2.77、4.32、4.67、36.9h。有机溶剂中光解速率顺序是:正己烷﹥甲醇﹥乙腈﹥丙酮。 |
| 关 键 词： | 高效氯氟氰菊酯 有机溶剂 光化学降解 |
Photodegradation of Lambda-cyhalothrin in Various Solvents |
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| CHEN Ling-long,CHEN Jiu-xing,CHEN Li-hua,FU Qi-ming,MA Ming,YANG Hui,ZHANG Gui-qun.Photodegradation of Lambda-cyhalothrin in Various Solvents[J].Fine Chemical Intermediates,2010,40(6). | |
| Authors: | CHEN Ling-long CHEN Jiu-xing CHEN Li-hua FU Qi-ming MA Ming YANG Hui ZHANG Gui-qun |
| Affiliation: | 1.College of Chemistry and Chemical Engineering; Hunan Normal University; Changsha 410081; China; 2.Hunan Research Institute of Chemical Industry; National Engineering Research Center for Agrochemicals; Changsha 410007; 3.College of Chemistry and Chemical Engineering; Central South University; Changsha 410083; 4.College of Agriculture; Guangxi University; Nanning 530000; China); |
| Abstract: | The photodegradation of lambda-cyhalothrin in various solvents under xenon lamp was studied.At a concentration of 10 mg/L,the half-lives of lambda-cyhalothrin in hexane,methanol,acetonitrile and acetone were 2.95,3.88,5.27 and 50.6 hours,respectively.At a concentration of 20 mg/L,the half-lives of lambda-cyhalothrin in hexane,methanol,acetonitrile and acetone were 2.77,4.32,4.67 and 36.9 hours,respectively.The photolytic rates of lambda-cyhalothrin under xenon lamp in different organic solvents showed the f... |
| Keywords: | Lambda-cyhalothrin organic solvents photolysis |
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