Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Estimation of Interaction Parameter of FeCl+ from Hydrochloric Acid Solution by Solvent Extraction with Amine

  • Lee, Man-Seung (Department of Advanced Materials Science & Engineering, Mokpo National University) ;
  • Nam, Sang-Ho (Department of Chemistry, Mokpo National University)
  • Received : 2011.04.25
  • Accepted : 2011.08.01
  • Published : 2011.09.20
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Abstract

Distribution diagram of $FeCl_2$ in HCl solution indicated that $FeCl^+$ was a predominant species in strong HCl solution up to 10 M. Solvent extraction of $FeCl_2$ has been performed in the HCl concentration range from 5 to 9 M by using Alamine336 as an extractant. Interaction parameter of $FeCl^+$ for Bromley equation was estimated from our solvent extraction data. This parameter thus obtained in our study can be employed in calculating the activity coefficient of $FeCl^+$ in high concentration of HCl.

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References

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