1、吉林農(nóng)業(yè)大學應用化學專業(yè)學士學位論文I目錄題目…………………………………………………………………………………Ⅰ摘要及關(guān)鍵字………………………………………………………………………Ⅱ1前言………………………………………………………………………………12材料與方法………………………………………………………………………12.1田間試驗………………………………………………………………………12.2實驗方法………………………………………………………

2、………………22.2.1儀器設備……………………………………………………………………22.2.2試劑…………………………………………………………………………22.2.3樣品的制備…………………………………………………………………22.2.4分析步驟……………………………………………………………………22.2.4.1提取………………………………………………………………………22.2.4.2萃取……………………………………………………………

3、…………32.2.4.3凈化………………………………………………………………………32.3分析測定………………………………………………………………………32.3.1氣相色譜條件………………………………………………………………32.3.2標準曲線……………………………………………………………………33結(jié)果與討論………………………………………………………………………43.1最小檢出量……………………………………………………………………43.

4、2最低檢測濃度…………………………………………………………………43.3相對保留時間…………………………………………………………………4吉林農(nóng)業(yè)大學應用化學專業(yè)學士學位論文IIIAbstract:Basedontheresidualdynamicsofsmetolachlinsugerbeetsoilplantswerestudied.Extractedbymethanolwatersolutionchlidesolutionextra

5、ctionneutralthenpurifiedbycolumnchromatographywithneutralaluminumoxideactivatedcarbonconstantvolumewithnmalhexane.UseAgilent6890GasChromatographwithμECDdetect.With96%smetolachlEC180ml667m2afterthesowingofsugerbeetintheso

6、ilbefethe1stsprayinginJilinHeilongjiangProvincetwoyearsthetworefinedbeetfieldsmeasuredThehalflifeofsmetolachlsoilf9.012.7dsugerbeetplantsf17.022.3d.Theresultsshowedthatthedegradetedrateofsmetolachlwereplantmethansoilsmet