现代农业科技
現代農業科技
현대농업과기
XIANDAIHUA NONGYE
2014年
6期
227-228
,共2页
土壤%六六六%滴滴涕%气相色谱法
土壤%六六六%滴滴涕%氣相色譜法
토양%륙륙륙%적적체%기상색보법
soil%BHC%DDT%gas chromatography
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'-DDE,O.P'-DDT,P.P'-DDD,P.P'-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。
採用電子捕穫檢測器-氣相色譜法(ECD-GC)測定土壤中的六六六和滴滴涕。土壤樣品中的六六六和滴滴涕農藥殘留量分析採用有機溶劑提取,經超聲輔助液-液分配及濃硫痠淨化除去榦擾物質後,a-BHC,β-BHC,γ-BHC,δ-BHC,P.P'-DDE,O.P'-DDT,P.P'-DDD,P.P'-DDT依次齣峰。該方法樣品的加標迴收率均在99.65%~107.98%範圍內,方法線性良好,且測定快速,簡單準確,適用于土壤中六六六和滴滴涕的測定。
채용전자포획검측기-기상색보법(ECD-GC)측정토양중적륙륙륙화적적체。토양양품중적륙륙륙화적적체농약잔류량분석채용유궤용제제취,경초성보조액-액분배급농류산정화제거간우물질후,a-BHC,β-BHC,γ-BHC,δ-BHC,P.P'-DDE,O.P'-DDT,P.P'-DDD,P.P'-DDT의차출봉。해방법양품적가표회수솔균재99.65%~107.98%범위내,방법선성량호,차측정쾌속,간단준학,괄용우토양중륙륙륙화적적체적측정。
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.