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 Concept Videos

Extraction: Advanced Methods00:56

Extraction: Advanced Methods

1.2K
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
1.2K
High-Performance Liquid Chromatography: Elution Process01:05

High-Performance Liquid Chromatography: Elution Process

2.0K
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...
2.0K
Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

3.0K
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...
3.0K
Sample Preparation for Analysis: Advanced Techniques01:08

Sample Preparation for Analysis: Advanced Techniques

1.9K
Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
1.9K
Titration in Nonaqueous Solvents01:16

Titration in Nonaqueous Solvents

1.5K
Most acid-base titrations are performed in an aqueous medium. In aqueous titrations, water competes with weaker acids or bases for proton donation or acceptance, leading to ambiguous endpoints in the titration curve. Water also affects the partial ionization of weak acids or bases. For example, water accepts a proton from acetic acid to form hydronium and acetate ions. The hydronium ion formed is a stronger acid than acetic acid, and the acetate ion is a stronger base than water. As a result,...
1.5K
Ion Exchange01:17

Ion Exchange

1.6K
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...
1.6K

You might also read

Related Articles

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

Sort by
Same author

A 3D-microfluidic paper-based analytical device for the kinetic-catalytic colorimetric determination of vanadium with smartphone-based readout.

Talanta·2026
Same author

The impact of chemical structure on redox behavior and biological activity of hydroxybenzoic acids.

Food chemistry·2026
Same author

Multiplexed headspace paper-based analytical devices modified with silver nanoclusters for smartphone-based luminescent determination of inorganic preservatives in food samples.

Analytica chimica acta·2026
Same author

A 3D Microfluidic Paper-Based Analytical Device with Smartphone-Based Colorimetric Readout for Phosphate Sensing.

Sensors (Basel, Switzerland)·2026
Same author

A Perspective on Current and Future Metric Tools.

Analytical chemistry·2025
Same author

Colorimetric plasmonic sensing of formaldehyde by in situ formation of core-shell bimetallic gold-silver nanoparticles in liquid films.

Analytica chimica acta·2025

Related Experiment Video

Updated: Apr 30, 2026

Preparation of Binary and Ternary Deep Eutectic Systems
06:15

Preparation of Binary and Ternary Deep Eutectic Systems

Published on: October 31, 2019

13.0K

Ionic liquids and deep eutectic mixtures: sustainable solvents for extraction processes.

Francisco Pena-Pereira1, Jacek Namieśnik

  • 1Department of Analytical Chemistry, Chemical Faculty, Gdańsk University of Technology (GUT) ul. G. Naturowicza 11/12, 80-233 Gdańsk (Poland); Department of Analytical and Food Chemistry, Faculty of Chemistry, University of Vigo, Campus As Lagoas-Marcosende s/n, 36310 Vigo (Spain). fjpena@uvigo.es.

Chemsuschem
|May 10, 2014
PubMed
Summary

Ionic liquids and deep eutectic mixtures are versatile, sustainable solvents revolutionizing extraction. This review highlights their broad applications in various techniques for analysis, purification, and environmental remediation.

Keywords:
environmental sustainabilityeutectic mixturesextractiongreen chemistryionic liquids

More Related Videos

Separation of Aldehydes and Reactive Ketones from Mixtures Using a Bisulfite Extraction Protocol
09:08

Separation of Aldehydes and Reactive Ketones from Mixtures Using a Bisulfite Extraction Protocol

Published on: April 2, 2018

35.3K
Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues
09:22

Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues

Published on: March 9, 2021

6.7K

Related Experiment Videos

Last Updated: Apr 30, 2026

Preparation of Binary and Ternary Deep Eutectic Systems
06:15

Preparation of Binary and Ternary Deep Eutectic Systems

Published on: October 31, 2019

13.0K
Separation of Aldehydes and Reactive Ketones from Mixtures Using a Bisulfite Extraction Protocol
09:08

Separation of Aldehydes and Reactive Ketones from Mixtures Using a Bisulfite Extraction Protocol

Published on: April 2, 2018

35.3K
Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues
09:22

Ultrafast Lignin Extraction from Unusual Mediterranean Lignocellulosic Residues

Published on: March 9, 2021

6.7K

Area of Science:

  • Green Chemistry
  • Analytical Chemistry
  • Separation Science

Background:

  • Ionic liquids (ILs) and deep eutectic mixtures (DEMs) are emerging as sustainable alternatives to traditional solvents.
  • Their unique physicochemical properties offer advantages in various separation and extraction processes.
  • Growing interest in environmentally friendly chemical technologies drives research into ILs and DEMs.

Purpose of the Study:

  • To review the diverse applications of ionic liquids and deep eutectic mixtures in extraction techniques.
  • To explore their utility in analytical method development and environmental remediation.
  • To discuss their role in compound isolation, purification, and azeotrope breaking.

Main Methods:

  • Review of literature on extraction techniques employing ILs and DEMs.
  • Analysis of applications in liquid-phase (micro)extraction, solid-phase (micro)extraction, microwave-assisted extraction, ultrasound-assisted extraction, and pressurized liquid extraction.
  • Discussion of case studies in analytical chemistry, environmental science, and chemical engineering.

Main Results:

  • ILs and DEMs show significant potential across a wide range of extraction methods.
  • These solvents facilitate analytical method development, environmental pollutant removal, and selective compound recovery.
  • Applications extend to fuel purification and breaking azeotropes, demonstrating broad utility.

Conclusions:

  • Ionic liquids and deep eutectic mixtures are highly effective and sustainable solvents for numerous extraction applications.
  • Their adaptability makes them valuable tools for advancing analytical techniques and environmental solutions.
  • Continued research promises further innovation in the use of these advanced solvent systems.