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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...
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...
High-Performance Liquid Chromatography: Elution Process01:05

High-Performance Liquid Chromatography: Elution Process

In High-Performance Liquid Chromatography (HPLC), the elution process is critical to the separation of analytes and the quality of chromatographic results. Elution describes how compounds move through the column and separate based on their interactions with the mobile and stationary phases. This process determines the resolution, peak shape, and retention times in the chromatogram, which are essential for identifying and quantifying components in complex mixtures. Understanding the elution...
Micelles01:30

Micelles

Micelle formation is an intricate process that hinges on the properties of amphiphilic or amphipathic molecules and the conditions of the system in which they are found. Amphiphilic molecules, which have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts, play a critical role in this process.In aqueous environments, these molecules arrange themselves such that their hydrophilic heads are turned towards the water phase, while their hydrophobic tails are oriented away...
Intermolecular Forces03:13

Intermolecular Forces

Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen bonds, and dispersion...
The Colloidal State01:29

The Colloidal State

The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called the...

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Related Experiment Video

Updated: May 26, 2026

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
06:44

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

Published on: March 24, 2018

High-internal-ionic liquid-phase emulsions.

Jianshen Li1, Jianling Zhang, Yueju Zhao

  • 1CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.

Chemical Communications (Cambridge, England)
|December 7, 2011
PubMed
Summary
This summary is machine-generated.

Researchers developed highly stable, novel ionic liquid-phase emulsions without volatile organic solvents. These unique emulsions show significant potential for applications in material synthesis, extraction, encapsulation, and chemical reactions.

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Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
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Last Updated: May 26, 2026

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
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Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
11:04

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

Published on: December 20, 2016

Area of Science:

  • Chemistry
  • Materials Science

Background:

  • Traditional emulsions often rely on volatile organic solvents, posing environmental and safety concerns.
  • Developing stable emulsions without these solvents is crucial for greener chemical processes.

Purpose of the Study:

  • To synthesize and characterize novel high-internal-phase emulsions using ionic liquids.
  • To evaluate the stability and potential applications of these ionic liquid-based emulsions.

Main Methods:

  • Formation of high-internal-phase emulsions stabilized by ionic liquids.
  • Characterization of emulsion properties, including stability and phase behavior.
  • Exploration of potential applications in synthesis, extraction, and encapsulation.

Main Results:

  • Successfully formed highly stable high-internal-phase emulsions for the first time.
  • The novel emulsions do not require volatile organic solvents, enhancing safety and sustainability.
  • Demonstrated the versatility of these emulsions for various chemical applications.

Conclusions:

  • Ionic liquid-phase emulsions represent a significant advancement in emulsion technology.
  • Their stability and solvent-free nature offer a promising platform for sustainable material synthesis, extraction, encapsulation, and chemical reactions.