Related Experiment Video
Updated: Nov 28, 2025

Preparation of Binary and Ternary Deep Eutectic Systems
Published on: October 31, 2019
First deep eutectic solvent-based (DES) stationary phase for gas chromatography and future perspectives for DES
Malwina Momotko1, Justyna Łuczak1, Andrzej Przyjazny2
1Gdansk University of Technology, Faculty of Chemistry, Department of Process Engineering and Chemical Technology, 80 - 233 Gdansk, G. Narutowicza St. 11/12, Poland.
This study introduces deep eutectic solvents (DES) as novel stationary phases for gas chromatography, demonstrating effective separation of volatile organic compounds (VOCs) with high selectivity for alcohols.
Area of Science:
- Analytical Chemistry
- Separation Science
- Green Chemistry
Background:
- Deep eutectic solvents (DES) offer tunable properties for various applications.
- Gas chromatography (GC) is a crucial technique for analyzing volatile organic compounds (VOCs).
- Developing novel stationary phases is key to advancing chromatographic separations.
Purpose of the Study:
- To investigate the application of a specific deep eutectic solvent (DES) as a stationary phase in gas chromatography (GC).
- To characterize the separation capabilities of the synthesized DES for diverse volatile organic compounds (VOCs).
- To explore the potential of DES in other separation techniques.
Main Methods:
- Synthesis and characterization of a DES from tetrabutylammonium chloride (HBA) and heptadecanoic acid (HBD).
- Gas chromatography (GC) analysis to determine retention characteristics and Rohrschneider-McReynolds constants.
- Evaluation of selectivity and specific interactions with various chemical compound classes.
Main Results:
- The synthesized DES functions as a medium-polarity stationary phase.
- High selectivity towards alcohols was observed, with specific enhanced retention for 1-hexanol and 1-heptanol due to synergistic interactions.
- Demonstrated potential for application in extractive distillation.
Conclusions:
- Deep eutectic solvents (DES) are effective and versatile stationary phases for gas chromatography (GC).
- The tunable nature of DES allows for tailored separation properties.
- This research opens new avenues for using DES in separation science.
More Related Videos
05:31Gas Chromatography-Mass Spectrometry Paired with Total Vaporization Solid-Phase Microextraction as a Forensic Tool
Published on: May 25, 2021
11:25Multi-step Preparation Technique to Recover Multiple Metabolite Compound Classes for In-depth and Informative Metabolomic Analysis
Published on: July 11, 2014
Related Concept Videos
Gas Chromatography: Introduction
In GC, a sample is vaporized and mixed with an inert carrier gas (the mobile phase), which transports it through a...
Gas Chromatography: Types of Columns and Stationary Phases
For an analyte to remain on the column for a sufficient amount of time, it must exhibit some level of compatibility (or...
Capillary Electrophoresis: Applications
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
Chromatography: Introduction
The phase in which the compounds linger or on which the compounds adsorb is called the stationary phase, whereas the mobile phase is the solvent that carries the solutes to be analyzed. In traditional column chromatography, the mixture flows through the stationary phase, and the compounds partition between the stationary and mobile phases...
Supercritical Fluid Chromatography
SFC utilizes a supercritical fluid mobile phase,...
High-Performance Liquid Chromatography: Introduction
In HPLC, two phases play a critical role in the separation process: