Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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The Separation of the Impurities in Bismuth Metal by Liquid Ion Exchangers and Colorimetric Determination

液狀이온交換體에 依한 蒼鉛中 不純物의 分離定量

  • Park, Myon-Yong (Research Institute of Applied Electron Microscopy, Konkuk University) ;
  • Nho, Sung-Lin (Research Institute of Applied Electron Microscopy, Konkuk University)
  • 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)
  • Published : 19681200
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Abstract

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.

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.

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References

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