Liquid–liquid extraction of thiocyanate and thiocyanatoferrate(III) complexes with tris(3,5,5-trimethylhexyl)amine
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 2,p. 213-219
- https://doi.org/10.1039/dt9740000213
Abstract
The distribution ratio of iron(III) at initial concentration 10–4 M has been measured using aqueous solutions of potassium nitrate and thiocyanate, at pH 2, with ionic strengths 0·25 and 0·50M, and an organic phase of tris(3,5,5-trimethylhexyl)amine in benzene. Concentrations of thiocyanate and of the amine were varied. An extraction equation was derived and found to be in good agreement with the results up to a thiocyanate concentration of 0·025M. Values of extraction equilibrium constants were calculated in several ways.Keywords
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