Preconcentration of Rare Earth Elements with 8-Hydroxyquinoline-5-sulfonic Acid Chelated Cellulose Filter Prior to Determination by Inductively Coupled Plasma Atomic Emission Spectrometry  

作　　者：LIU Chun ming GAO Xiu qing DU Yao guo GUO Yi hang 

机构地区：[1]Department of Chemistry,Changchun Normal College,Changchun 130032,P.R.China [2]Department of Environment Sciences,Jilin University,Changchun 130023,P.R.China

出　　处：《Chemical Research in Chinese Universities》2000年第3期208-212,共5页高等学校化学研究(英文版)

基　　金：Supported by the National Natural Science Foundation of China

摘　　要：Hydroxyquinoline 5 sulfonic acid, covalently bound to filter cellulose, was used for preconcentrating trace rare earth element(REE) ions from complex matrices and matrix separation, respectively. Multi REE ions were preconcentrated on the column filled with 8 hydroxyquinoline 5 sulfonic acid cellulose filter and analysed by ICP AES after being eluted with dilute HNO 3. In the given pH range, alkali and alkaline earth metal ions can be separated as matrix elements; a high concentration factor is obtained and the eluates can be measured without interference. The usefulness of the method is shown by the control analyses of standard reference materials. [WT5FZ]Hydroxyquinoline 5 sulfonic acid, covalently bound to filter cellulose, was used for preconcentrating trace rare earth element(REE) ions from complex matrices and matrix separation, respectively. Multi REE ions were preconcentrated on the column filled with 8 hydroxyquinoline 5 sulfonic acid cellulose filter and analysed by ICP AES after being eluted with dilute HNO 3. In the given pH range, alkali and alkaline earth metal ions can be separated as matrix elements; a high concentration factor is obtained and the eluates can be measured without interference. The usefulness of the method is shown by the control analyses of standard reference materials. [WT5FZ]

关 键 词：Hydroxyquinoline 5 sulfonic acid cellulose filter PRECONCENTRATION REE ICP AES 

分 类 号：O614[理学—无机化学]