CAJ | 학술논문

　　本文研究了用萃取分离,ICP-OES?测定地质试样中铟的方法。在一定量铁存在下，硫酸-溴化钾介质中，用甲基异丁基酮（MIBK）萃取铟，萃取后有机相用?ICP-OES?测定。对国家一级标准物质?GBW?07311、GBW?07312、GBW?07405、GBW?07406?进行?12?次平行测定，结果与标准值吻合。RSD （n=12)?为?1.58%～5.64%。加标回收率为?98.1%～102.6%。方法较简便实用，经地质标样验证，结果满意。
　　본문연구료용췌취분리,ICP-OES?측정지질시양중인적방법。재일정량철존재하，류산-추화갑개질중，용갑기이정기동（MIBK）췌취인，췌취후유궤상용?ICP-OES?측정。대국가일급표준물질?GBW?07311、GBW?07312、GBW?07405、GBW?07406?진행?12?차평행측정，결과여표준치문합。RSD （n=12)?위?1.58%～5.64%。가표회수솔위?98.1%～102.6%。방법교간편실용，경지질표양험증，결과만의。
This?paper?studies?the?method?of?determination?of?indium?by?ICP-OES?in?geological?samples,?after?extraction?and?separation;?Indium?can?be?extracted?from?sample?solution?by?MIBK.?In?the?media?of?H2SO4-KBr?and?in?the?presence?of?iron,?then,?Indium?is?determined?by?ICP-OES?in?the?extracted?organce?phase,?this?method?has?been?verified?by?determination?of?national?first?level?standard?material?GBW07311,?GBW07312,?GBW07405,?GBW07406,?for?12?parallel?times?with?satisfactory?results?RSD?(n=12)?was?1.58%?~?5.64%.?The?standard?recovery?was?98.1%?~?102.6%.