Abstract
Quinoline-2-carboxylic acids with different substituents in the 4- and 8-positions of the quinoline ring have been grafted onto styrene-divinylbenzene polymers and tested for their ability to extract metal ions from aqueous sulfate solutions at low pH values. The position and nature of the substituents were found to play a major role in the metal ion selectivities, whereas the nature of the polymeric support mainly influenced the metal ion capacities and rates of equilibration. A remarkably high preference for cadmium ions was shown by a reagent containing a quinaldic acid with a phenacyloxy group in the 8-position of the quinoline ring. This reagent proved useful for the removal of cadmium from 30% phosphoric acid.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
