Extraction Induced by Emulsion and Microemulsion Breaking for Metal Determination by Spectrometric Methods - A Review
Franciele Rovasi Adolfo1, Paulo Cícero do Nascimento1
1Departamento de Química, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brasil.
Critical Reviews in Analytical Chemistry
|January 7, 2022
Summary
Extraction induced by emulsion breaking (EIEB) and microemulsion breaking (EIMB) offers a simple, fast, and cost-effective method for metal analysis in oily samples. This review explores its principles, applications, and potential for broader use in analytical chemistry.
Area of Science:
- Analytical Chemistry
- Separation Science
- Spectrometry
Background:
- Oily samples present challenges for direct metal analysis.
- Traditional extraction methods can be time-consuming and costly.
- Emulsion-based extraction offers a promising alternative.
Purpose of the Study:
- To review extraction induced by emulsion breaking (EIEB) and microemulsion breaking (EIMB) for metal analysis.
- To discuss the principles, parameters, and applications of these methods.
- To highlight opportunities for expanding their use in analytical chemistry.
Main Methods:
- Formation and destabilization of emulsion or microemulsion systems.
- Transfer of metal analytes from oil to aqueous phase.
- Coupling with spectrometric techniques for quantification.
Main Results:
- EIEB and EIMB are effective for metal extraction from oily matrices.
- Method simplicity, speed, and low cost are key advantages.
- Parameters influencing extraction efficiency and calibration strategies are discussed.
Conclusions:
- EIEB and EIMB have significant, yet underexplored, potential in analytical chemistry.
- Further research can expand the applicability of these techniques.
- These methods offer a valuable tool for metal analysis in complex samples.
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