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[Effect of emulsion on chromatographic process].
1College of Material Science & Chemical Engineering, Zhejiang University, Hangzhou 310027, China. jylcqq_cqq@sina.com
Se Pu = Chinese Journal of Chromatography
|April 6, 2005
Summary
Chromatography using emulsion mobile phases creates complex concentration profiles due to solute partitioning and adsorption. This multi-mobile phase system can alter wave shapes, impacting separation dynamics.
Area of Science:
- Analytical Chemistry
- Separation Science
Context:
- Investigates chromatographic processes utilizing emulsion mobile phases.
- Explores solute behavior involving partitioning between emulsion phases and stationary phase adsorption.
Purpose:
- To theoretically study concentration wave characteristics in emulsion-based chromatography.
- To analyze the impact of Langmuir-like partition and adsorption isotherms on chromatographic profiles.
Summary:
- Emulsion mobile phases lead to significantly different concentration profiles compared to homogenous phases.
- Solute partitioning between inner/outer emulsion phases and adsorption on the stationary phase create complex chromatographic behavior.
- The study compares these complex profiles with those from homogenous mobile phases.
Impact:
- Demonstrates that emulsion mobile phases result in more complicated and multiple chromatographic processes.
- Highlights how multi-mobile phases can transform simple waves into shock waves or diffuse shock waves into simple waves.
- Provides theoretical insights into advanced chromatographic techniques for enhanced separation.
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