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

Potentiometry: Membrane Electrodes01:15

Potentiometry: Membrane Electrodes

500
Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at...
500
Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

406
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...
406
Dialysis01:15

Dialysis

616
Dialysis is a diffusion-based purification process that separates analyte molecules from a complex matrix. This is accomplished by allowing molecules in the solution to pass through a semipermeable membrane into a liquid on the other side. The membrane is usually made of cellulose acetate or cellulose nitrate, and the second liquid must be miscible with the solution. Ions (e.g., chloride or sodium) or organic molecules (e.g., glucose) can pass through the membrane pores, which generally have...
616
Capillary Electrophoresis: Applications01:30

Capillary Electrophoresis: Applications

357
Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
357
Ion Exchange01:17

Ion Exchange

565
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...
565

You might also read

Related Articles

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

Sort by
Same author

Multiyear Soil-Fruit Transfer Dynamics of Macro- and Trace Elements in Raspberry (<i>Rubus idaeus</i> L.) Under Field Conditions.

Plants (Basel, Switzerland)·2026
Same author

Thorium Valorization at the Interface of Technology, Risk, and Sustainability.

Toxics·2026
Same author

Quantitative source-oriented, bioaccumulation and toxicity of organic pollutants in a formerly mining area.

Environmental geochemistry and health·2026
Same author

Dual-Isotope (δ<sup>2</sup>H, δ<sup>18</sup>O) and Bioelement (δ<sup>13</sup>C, δ<sup>15</sup>N) Fingerprints Reveal Atmospheric and Edaphic Drought Controls in Sauvignon Blanc (Orlești, Romania).

Plants (Basel, Switzerland)·2025
Same author

From Soil to Plate: Lithium and Other Trace Metals Uptake in Vegetables Under Variable Soil Conditions.

Toxics·2025
Same author

Non-linear relationships between climate and toxic metals in stressed polluted areas.

Environmental research·2025

Related Experiment Video

Updated: Jun 16, 2025

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
05:33

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

21.6K

Testing Low-Density Polyethylene Membranes for Lithium Isotope Electromigration System.

Andreea Maria Iordache1, Ramona Zgavarogea1, Ana Maria Nasture2

  • 1ICSI Analytics Department, National Research and Development Institute for Cryogenics and Isotopic Technologies-ICSI, 4 Uzinei Street, 240050 Râmnicu Vâlcea, Romania.

Materials (Basel, Switzerland)
|June 13, 2025
PubMed
Summary
This summary is machine-generated.

This study explores lithium isotope separation using electromigration, finding that voltage and migration time significantly impact 6Li enrichment in polyethylene membranes. Optimal conditions enhance separation efficiency for nuclear technologies.

Keywords:
6Li enrichment6Li/7LiLi-ion mobilityelectromigration processseparation and purification of lithium

More Related Videos

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
10:03

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Published on: November 11, 2013

25.4K
Ion-Exchange Membranes for the Fabrication of Reverse Electrodialysis Device
07:55

Ion-Exchange Membranes for the Fabrication of Reverse Electrodialysis Device

Published on: July 20, 2021

10.5K

Related Experiment Videos

Last Updated: Jun 16, 2025

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
05:33

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

21.6K
Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
10:03

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

Published on: November 11, 2013

25.4K
Ion-Exchange Membranes for the Fabrication of Reverse Electrodialysis Device
07:55

Ion-Exchange Membranes for the Fabrication of Reverse Electrodialysis Device

Published on: July 20, 2021

10.5K

Area of Science:

  • Nuclear Engineering and Materials Science
  • Chemical Engineering and Separation Science

Background:

  • Growing energy demands necessitate advanced nuclear technologies, increasing the need for high-purity lithium isotopes (6Li and 7Li).
  • Electromigration is a promising technique for isotope separation, but its efficiency for lithium isotopes requires optimization.
  • Low-density polyethylene membranes offer potential for selective ion transport in separation processes.

Purpose of the Study:

  • To investigate the effects of voltage and migration time on lithium isotope separation using electromigration through polyethylene membranes.
  • To compare the performance of ionic liquid-impregnated membranes versus non-impregnated membranes for lithium isotope enrichment.
  • To establish an optimized protocol for high-precision lithium isotope ratio measurements.

Main Methods:

  • Developed a laboratory setup for electromigration-based lithium isotope separation.
  • Utilized quadrupole ICP-MS with sample-standard bracketing (SSB) for precise isotope ratio measurements (2RSD = ±0.30‱).
  • Employed a BayesGLM model to analyze the influence of voltage, migration time, and membrane type on the enrichment factor (α).

Main Results:

  • Both impregnated and non-impregnated membranes showed effective 6Li enrichment.
  • Lithium-ion mobility increased quasi-linearly with voltage (5–15 V) in the presence of ionic liquids.
  • Maximum single-stage separation factors for 6Li/7Li were achieved at 24 h (impregnated M2, α=1.029) and 48 h (non-impregnated M5, α=1.038).

Conclusions:

  • Voltage and migration time are critical parameters for optimizing lithium isotope separation via electromigration.
  • Ionic liquid impregnation enhances initial enrichment, particularly for 7Li, while 6Li shows higher enrichment capacity after 25 hours.
  • Achieving optimal enrichment depends on the precise ratio of ionic liquids, crown ethers, and organic solvents used.