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

997
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...
997
Sample Preparation for Analysis: Advanced Techniques01:08

Sample Preparation for Analysis: Advanced Techniques

1.1K
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...
1.1K
Electrodeposition01:08

Electrodeposition

1.2K
Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...
1.2K
Precipitation and Co-precipitation01:17

Precipitation and Co-precipitation

3.9K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
3.9K

You might also read

Related Articles

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

Sort by
Same author

Fluid management during pediatric lung transplantation: a single-center experience.

Translational pediatrics·2025
Same author

Only Sunda and Chinese pangolin (Pholidota) are naturally distributed in China.

Integrative zoology·2022
Same author

Incineration of EV Lithium-ion batteries as a pretreatment for recycling - Determination of the potential formation of hazardous by-products and effects on metal compounds.

Journal of hazardous materials·2020
Same author

Crystal structure and identification of resonance forms of diethyl 2-(3-oxoiso-1,3-di-hydro-benzo-furan-1-yl-idene)malonate.

Acta crystallographica. Section E, Crystallographic communications·2017
Same author

Crystal structure of a layered coordination polymer based on a 4(4) net containing Cd(2+) ions and 1,5-bis-(pyridin-4-yl)pentane linkers.

Acta crystallographica. Section E, Structure reports online·2014
Same author

Antimony leaching in plastics from waste electrical and electronic equipment (WEEE) with various acids and gamma irradiation.

Waste management (New York, N.Y.)·2013

Related Experiment Video

Updated: Dec 22, 2025

Preparation of Binary and Ternary Deep Eutectic Systems
06:15

Preparation of Binary and Ternary Deep Eutectic Systems

Published on: October 31, 2019

12.6K

Metal extraction from a deep eutectic solvent, an insight into activities.

Peng Cen1, Kastriot Spahiu, Mikhail S Tyumentsev

  • 1School of Metallurgy, Northeastern University, Shenyang, China.

Physical Chemistry Chemical Physics : PCCP
|May 6, 2020
PubMed
Summary

This study introduces a new term for the specific ion interaction theory, enhancing predictions for solvent extraction systems involving deep eutectic solvents and aqueous salt mixtures. This advancement improves the understanding and modeling of complex metal separation processes.

More Related Videos

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions
11:50

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions

Published on: June 13, 2015

12.8K
Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique
12:02

Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique

Published on: November 3, 2017

13.6K

Related Experiment Videos

Last Updated: Dec 22, 2025

Preparation of Binary and Ternary Deep Eutectic Systems
06:15

Preparation of Binary and Ternary Deep Eutectic Systems

Published on: October 31, 2019

12.6K
Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions
11:50

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions

Published on: June 13, 2015

12.8K
Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique
12:02

Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique

Published on: November 3, 2017

13.6K

Area of Science:

  • Analytical Chemistry
  • Separation Science
  • Physical Chemistry

Background:

  • Solvent extraction is crucial for separating and purifying valuable metals.
  • Existing models for solvent extraction, like specific ion interaction theory (SIT), have limitations when applied to complex mixtures.
  • Deep eutectic solvents (DES) offer unique properties for extraction but require refined theoretical frameworks.

Purpose of the Study:

  • To investigate the solvent extraction behavior of gold, palladium, technetium, indium, and rhenium.
  • To evaluate extraction from mixtures of deep eutectic solvents with aqueous salt solutions.
  • To develop an improved model for predicting solvent extraction performance in such systems.

Main Methods:

  • Performed solvent extraction experiments using gold, palladium, technetium, indium, and rhenium.
  • Utilized mixtures of deep eutectic solvents and aqueous salt solutions as liquid phases.
  • Interpreted extraction data using an activity coefficient/function equation based on specific ion interaction theory (SIT).

Main Results:

  • Successfully extracted gold, palladium, technetium, indium, and rhenium from the studied mixtures.
  • Identified the necessity of a new term to enhance the specific ion interaction theory (SIT) equation.
  • Demonstrated that the modified SIT model can predict the behavior of solvent extraction systems with mixed aqueous-DES phases.

Conclusions:

  • The addition of a new term to the specific ion interaction theory (SIT) significantly improves the predictive capability for solvent extraction.
  • The developed model is effective for systems involving deep eutectic solvents and aqueous salt solutions.
  • This research provides a more robust theoretical basis for optimizing metal separation processes using DES.