Pyrohydrolysis as a sample preparation method for the subsequent halogen determination: A review.
Daiana Kaminski Oliveira1, Vitoria Hagemann Cauduro1, Eder Lisandro Moraes Flores2
1Chemistry Department, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil.
Analytica Chimica Acta
|January 14, 2024
Summary
Pyrohydrolysis is a versatile sample preparation method for halogen determination across diverse organic and inorganic matrices. This review highlights its compatibility with various sample types, additives, and detection techniques, offering advantages like low residue generation.
Area of Science:
- Analytical Chemistry
- Environmental Science
Background:
- Halogen determination is crucial in various scientific fields.
- Effective sample preparation is key for accurate halogen analysis.
- Pyrohydrolysis has emerged as a significant sample preparation technique.
Purpose of the Study:
- To comprehensively review pyrohydrolysis for halogen determination.
- To cover studies published over the last 30 years.
- To compare pyrohydrolysis with alternative sample preparation methods.
Main Methods:
- Review of scientific literature on pyrohydrolysis.
- Analysis of compatible sample matrices (organic and inorganic).
- Examination of additives, absorbing solutions, and detection techniques.
Main Results:
- Pyrohydrolysis is effective for diverse organic and inorganic samples.
- Optimized recoveries are achievable with specific additives and absorbing solutions.
- The method is compatible with multiple advanced detection techniques.
Conclusions:
- Pyrohydrolysis offers a robust and versatile approach for halogen determination.
- Its compatibility with various matrices and detection methods makes it highly adaptable.
- The technique provides advantages such as low residual carbon and minimal residue generation.
Keywords:
Bromine determinationEnvironmental analysisHalogen determinationIon chromatographySample preparationSpectrometric techniquesMore Related Videos
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