Solvent Extraction of Silver(I) and Palladium(II) Ions with Ketone Derivative of Calix[4]arene from Highly Acidic Nitrate Media
- 1 February 1996
- journal article
- Published by Oxford University Press (OUP) in Chemistry Letters
- Vol. 25 (2) , 173-174
- https://doi.org/10.1246/cl.1996.173
Abstract
The solvent extraction of silver (I) and palladium (II) ions with 25,26,27,28-tetrakis(acetomethoxy)-5,11,17,23-tetrakis(1,1,3,3-tetramethylbutyl)calix[4]arene (1) in chloroform from nitric acid solution was investigated. The compound 1 was capable of highly selectively extracting silver over palladium from about 1 mol dm−3 nitric acid solution and was effective in removing trace amounts of silver from a large excess of palladium. The coordination site of silver ion on 1 was also determined from the chemical shift in the 1H-NMR spectra.This publication has 7 references indexed in Scilit:
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