Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Selective solid-liquid extraction of lithium halide salts using a ditopic macrobicyclic receptor.

Joseph M Mahoney1, Alicia M Beatty, Bradley D Smith

  • 1Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, USA.

Inorganic Chemistry
|November 24, 2004
PubMed
Summary

This study reveals a ditopic salt receptor

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Imine bond protection by supramolecular encapsulation.

Organic & biomolecular chemistry·2026
Same author

Annulated cationic tetramethyl indo(di)carbocyanine dyes exhibit potent dark cytotoxicity in cancer cells.

Dyes and pigments : an international journal·2026
Same author

Doubly protected ester prodrug of 5-aminolevulinic acid for enhanced cell uptake and photoinactivation.

Research square·2026
Same author

Turn-On Terbium(III) Photoluminescence Enables Sensing of Methyl Salicylate by a Biomimetic Airborne Messenger Mechanism.

ACS sensors·2026
Same author

Implanted Miniature Light Devices for Phototherapeutics.

Advanced therapeutics·2026
Same author

Synthesis of tyramine bis(dipicolylamine), a versatile synthetic receptor scaffold for oxyanion recognition.

Supramolecular chemistry·2025

Area of Science:

  • Supramolecular Chemistry
  • Materials Science
  • Chemical Engineering

Background:

  • Ditopic salt receptors can bind and extract alkali metal halides.
  • Previous studies focused on contact ion pair extraction.

Purpose of the Study:

  • To investigate the binding and extraction of lithium salts (LiCl, LiBr) by a ditopic salt receptor.
  • To determine the ion pair type and selectivity of the receptor for various alkali metal halides.
  • To explore the potential applications of such receptors in separation processes.

Main Methods:

  • Nuclear Magnetic Resonance (NMR) spectroscopy
  • X-ray crystallography
  • Liquid-liquid extraction experiments
  • Analysis of salt mixtures in organic solvents

Related Experiment Videos

Main Results:

  • The receptor binds and extracts solid lithium chloride (LiCl) and lithium bromide (LiBr) as water-separated ion pairs.
  • While the receptor transports salts with K+ > Na+ > Li+ selectivity from aqueous solutions, it shows reversed selectivity (Li+ >> Na+, K+) when extracting solid salts.
  • High lithium selectivity is attributed to the enhanced solubility of lithium salts in organic solvents.

Conclusions:

  • Ditopic receptors can extract solid alkali metal halides as different ion pair types.
  • The receptor exhibits strong lithium selectivity for solid salt extraction, unlike aqueous phase transport.
  • These receptors show promise for applications in chemical separation processes, particularly for lithium recovery.