A highly selective chromoionophore for potassium based upon a bridged calix[4]arene
- 1 January 1992
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 7,p. 582-584
- https://doi.org/10.1039/c39920000582
Abstract
The chromoionophores 9 and 10 in chloroform extract potassium ions from aqueous solutions in the pH range 7–9 with high selectivity as compared with sodium (Ke K+/Ke Na+ca. 1000), magnesium and calcium (no detectable extraction) ions.Keywords
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