液狀이온交換體에 依한 蒼鉛中 不純物의 分離定量

The Separation of the Impurities in Bismuth Metal by Liquid Ion Exchangers and Colorimetric Determination

  • 박면용 (建國大學敎 電子顯微鏡應用硏究所) ;
  • 노성린 (建國大學敎 電子顯微鏡應用硏究所)
  • Park, Myon-Yong (Research Institute of Applied Electron Microscopy, Konkuk University) ;
  • Nho, Sung-Lin (Research Institute of Applied Electron Microscopy, Konkuk University)
  • 발행 : 19681200

초록

液狀이온交換體 Amberite LAI을 chloroform에 10%로 묽혀서 鹽酸算性에서 Bi(III), As(III), Sb(III), Zn(II) 및 Fe(III)의 推出率을 試驗한 結果, Zn(II)는 2M에서 98%. As(III)는 7~14M에서 Sb(III)는 2~4M에서 , Fe(III)는 6~10M에서 蒼鉛과 定量的으로 分離되었다. 그리고 chloroform을 溶媒로 썼을 때는 xylene이나 hexane을 溶媒로 썼을때보다 더 急傾斜를 이루는 推出率曲線을 나타냈다. 各各의 不純物을 分離後 Zn(II)는 dithizone. As(III)는 Gutzeit method, Sb(III)는 brilliant green, Fe(III)는 thiocyanate에 依한 比色方法으로 定量하였다.

The extraction curve of metal ions with Amberite LAl-chloroform has been found to be more steeper than with Amberite LAl-xylene or hexane, and the extraction ratio of Zn (II) in 2M HCl solution is 98%. The extraction ratio of As (III) in 9~11M HCl soln., Sb (III) in 2~4M HCl soln., and Fe (III) in 6~10M HCl soln. are 100%. The separated elements from Bi metal were determined by colorimetry, Zn (III) with dithizone, As (III) with Gutzeit method, Sb (III) with brilliant green and Fe (III) with thiocyanate.

키워드

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