信阳师范学院学报（自然科学版）2012，Vol.25Issue(2)：236-238,3.DOI:10.3969/j.issn.1003-0972.2012.02.024
邻二氮菲-正丙醇-硫酸铵-抗坏血酸体系萃取分离和富集Fe(Ⅱ)
Enrichment and Extraction Separated of Fe( Ⅱ ) by 1,10-phen anthroline-1-propanol-ammonium Sulphate-ascorbic Acid System
摘要
Abstract
The behavior and conditions of extraction separation and concentration of ferrura from other metal ions by 1, JO-phenanthroline-1-propanol -ammonium sulphate system -ascorbic acid were studied with visible spectrophotom-etry. The results showed that the 1 -propanol aqueous solution could be well divided into two phases with the action of ammonium sulphate. The ternary complex [ Fe( phen)3 ] SO4could be completely extracted during this process. Fe( II ) could be quantiatively separated from Co( II ) , Au( I), Ag( I ) ,Ni( II ) , Mg( H ) , Cr( I) , Cu ( D ) , Al( I), Hg( II) ,Pb( D ) and Cd( II ) by extraction,and values of extraction rate of Fe( II ) reaches the 96. 6% ~ 98. 4% when the concentrations of l-propanol,l ,10-phenanthroline and ammonium sulphate in solution are 30% (v/v) ,7.0 x 10 "4 mol/L and 0.20 g/mL,respectively. This method was used to extraction separation and determination of ferrum in the sample of synthetic water with satisfactory resucts.关键词
铁/正丙醇/邻二氮菲/萃取分离/可见分光光度法Key words
ferrum/ 1-propanol/ 1,10-phenanthroline/ extraction separation/ visible spectrophotometry分类
化学化工引用本文复制引用
沈久明,司学芝,刘梦妹..邻二氮菲-正丙醇-硫酸铵-抗坏血酸体系萃取分离和富集Fe(Ⅱ)[J].信阳师范学院学报（自然科学版）,2012,25(2):236-238,3.基金项目
河南省教育厅自然科学研究计划项目 (2006150023) （2006150023）
