节点文献
苄嘧磺隆在几种氧化物表面的吸附及氯离子对吸附的影响
Adsorption of Bensulfuron-methyl by Oxides and the Effects of Cl~-
【摘要】 利用平衡吸附法研究了苄嘧磺隆在高岭土、针铁矿、水铁矿、非晶型氢氧化铝及水钠锰矿表面的吸附以及氯离子对吸附的影响。结果表明 ,供试粘土矿物及氧化物对苄嘧磺隆的吸附均符合Langmuir方程 ,最大吸附量大小顺序为 :非晶型氢氧化铝 >针铁矿 >水铁矿 >水钠锰矿 >高岭石 ,且吸附量随氯离子浓度的增加而降低。其中在非晶型氢氧化铝和针铁矿表面的降幅较大
【Abstract】 The adsorption of sulfonylurea herbicide bensulfuron -m ethyl by kaolinite, goethite, ferrihydrite, amorphous alumina ,birnessite and t he effects of Cl - on the adsorption were examined. The results indicated that the adsorption was according to the Langmuir equation, the maximum absorbing cap acities were that amorphous alumina > goethite > ferrihydrite > birnessite > kao linite. The absorbing capacities decreased by increase of the concentrations of Cl -.
【关键词】 除草剂;
苄嘧磺隆;
吸附;
氧化物;
氯离子;
【Key words】 Herbicide; Bensulfuron-methyl; Adsorption; Oxides; Ch lorine ion;
【Key words】 Herbicide; Bensulfuron-methyl; Adsorption; Oxides; Ch lorine ion;
【基金】 国家自然科学基金资助项目( 40 2 71 0 64);湖北省教育厅科学研究计划资助项目( 2 0 0 1C2 1 )
- 【文献出处】 中国农业科学 ,Scientia Agricultura Sinica , 编辑部邮箱 ,2003年12期
- 【分类号】S482.4
- 【被引频次】9
- 【下载频次】87