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Related Concept Videos

Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
Ionic Association01:28

Ionic Association

The ionic association is the association of oppositely charged ions in an electrolyte solution to form ion pairs. Bjerrum defined ion pairs as two oppositely charged ions whose electrostatic attraction exceeds the thermal energy of the system, typically expressed as 2kT. Electrostatic attraction depends on ionic charge, separation distance, and the dielectric constant of the medium. Thermal energy, represented by kT, reflects the tendency of ions to move independently due to molecular motion.
Solubility of Ionic Compounds02:55

Solubility of Ionic Compounds

Solubility is the measure of the maximum amount of solute that can be dissolved in a given quantity of solvent at a given temperature and pressure. Solubility is usually measured in molarity (M) or moles per liter (mol/L). A compound is termed soluble if it dissolves in water.
Ionic Strength: Effects on Chemical Equilibria01:19

Ionic Strength: Effects on Chemical Equilibria

The addition of an inert ionic compound increases the solubility of a sparingly soluble salt. For example, adding potassium nitrate to a saturated solution of calcium sulfate significantly enhances the solubility of calcium sulfate. Le Châtelier's principle cannot predict this shift in the equilibrium. Instead, this could be explained in terms of changes in the effective concentration of the ions in solution in the presence of added inert salt.
In this solution, the primary cation—the calcium...
Molecular and Ionic Solids02:54

Molecular and Ionic Solids

Crystalline solids are divided into four types: molecular, ionic, metallic, and covalent network based on the type of constituent units and their interparticle interactions.
Molecular Solids
Molecular crystalline solids, such as ice, sucrose (table sugar), and iodine, are solids that are composed of neutral molecules as their constituent units. These molecules are held together by weak intermolecular forces such as London dispersion forces, dipole-dipole interactions, or hydrogen bonds, which...
Ion Exchange01:17

Ion Exchange

Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or basic...

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Related Experiment Video

Updated: May 21, 2026

Green Synthesis of Quinoline-Based Ionic Liquid
05:59

Green Synthesis of Quinoline-Based Ionic Liquid

Published on: September 27, 2024

Applications of ionic liquids.

Divia Dinesh Patel1, Jong-Min Lee

  • 1School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459, Singapore.

Chemical Record (New York, N.Y.)
|June 20, 2012
PubMed
Summary
This summary is machine-generated.

Ionic liquids are versatile "green solvents" with negligible vapor pressure. This review consolidates their applications in electrochemistry, biology, and metal extraction, highlighting their potential in energy and biomass technologies.

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Last Updated: May 21, 2026

Green Synthesis of Quinoline-Based Ionic Liquid
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Published on: September 27, 2024

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
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Published on: December 20, 2016

Development, Characterization, and Evaluation of CAGE-based Ionic Liquid Systems for Transdermal Delivery
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Development, Characterization, and Evaluation of CAGE-based Ionic Liquid Systems for Transdermal Delivery

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Area of Science:

  • Green Chemistry
  • Materials Science
  • Electrochemistry

Background:

  • Ionic liquids (ILs) are gaining traction due to unique properties.
  • Their negligible vapor pressure earns them the
  • green solvent
  • designation.
  • ILs offer tunable characteristics for diverse applications.

Purpose of the Study:

  • To consolidate research on ionic liquid applications.
  • To review findings in electrochemical, biological, and metal extraction uses.
  • To highlight ILs' role in energy and biomass sectors.

Main Methods:

  • Literature review of existing research.
  • Synthesis of findings from various studies.
  • Categorization of applications based on scientific domains.

Main Results:

  • Ionic liquids show promise in batteries, solar panels, and fuel cells.
  • Applications in drug delivery and biomass pretreatment are expanding.
  • Their utility in metal extraction and biological processes is well-documented.

Conclusions:

  • Ionic liquids are highly versatile and sustainable solvent alternatives.
  • Further research can unlock new applications in energy and biotechnology.
  • Their unique properties facilitate advancements across multiple scientific disciplines.