气相色谱法测定土壤中的六六六和滴滴涕  

BHC and DDT Determination in Soil by Gas Chromatography

作　　者：贺业菊[1] 朱广钦[1] 徐天赐[1] 

机构地区：[1]辽宁省环境监测实验中心,辽宁沈阳110161

出　　处：《现代农业科技》2014年第6期227-228,共2页Modern Agricultural Science and Technology

摘　　要：采用电子捕获检测器-气相色谱法（ECD-GC）测定土壤中的六六六和滴滴涕。土壤样品中的六六六和滴滴涕农药残留量分析采用有机溶剂提取，经超声辅助液-液分配及浓硫酸净化除去干扰物质后，a-BHC，β-BHC，γ-BHC，δ-BHC，P.P＆#39;-DDE，O.P＆#39;-DDT，P.P＆#39;-DDD，P.P＆#39;-DDT依次出峰。该方法样品的加标回收率均在99.65%~107.98%范围内，方法线性良好，且测定快速，简单准确，适用于土壤中六六六和滴滴涕的测定。Determination BHC and DDT in soil by ECD-GC.BHC and DDT in soil were separated through the organic solvent and the substances were extracted from the samples by ultrasonic assistant liquid-liquid partition and sulphuric acid purified.The turn of appearance peak wasa-BHC,β-BHC,γ-BHC,δ-BHC,P.P’-DDE,O.P’-DDT,P.P’-DDD,P.P’-DDT.The test results showed that this method satisfactory recoveries were 99.65%~107.98%,This method was higher linear,rapid and accurate.It was applicable to the test of BHC and DDT.

关 键 词：土壤 六六六 滴滴涕 气相色谱法 

分 类 号：S153[农业科学—土壤学]