Comparer des méthodes
Examinez les méthodes sélectionnées côte à côte ; les lignes qui diffèrent sont mises en évidence.
| Titrage potentiométrique× | Chromatographie ionique× | |
|---|---|---|
| Domaine | Chimie analytique | Chimie analytique |
| Famille | Process / pipeline | Process / pipeline |
| Année d'origine≠ | 1909 | 1975 |
| Auteur d'origine≠ | Soren Sorensen | Hamish Small |
| Type≠ | titration method | separation and analysis technique |
| Source fondatrice≠ | Skoog, D. A., West, D. M., Holler, F. J., & Crouch, S. R. (2014). Fundamentals of Analytical Chemistry (9th ed.). Cengage Learning. ISBN: 978-1133170960 | Small, H., Stevens, T. S., & Bauman, W. C. (1989). Novel ion exchange chromatographic method using conductometric detection. Analytical Chemistry, 47(11), 1801–1809. DOI ↗ |
| Alias≠ | potentiometry, electrochemical titration | IC, ion-exchange chromatography, IEC |
| Apparentées | 5 | 5 |
| Résumé≠ | Potentiometric titration is an electrochemical method of analysis that measures the potential difference between a reference electrode and an indicator electrode as a titrant is gradually added to a solution. Developed in the early 20th century, it allows precise determination of the concentration of analytes without requiring visual endpoint indicators. This method is fundamental in analytical chemistry for determining acids, bases, redox species, and metal ions. | Ion chromatography is a liquid chromatography method that separates ions and polar molecules based on their relative affinity for the ion exchange resin in the column. Developed by Hamish Small in 1975, it combines ion-exchange separation with conductivity detection, enabling rapid, sensitive, and simultaneous determination of multiple ions in a single analysis. Ion chromatography has become an indispensable tool for monitoring environmental pollutants, analyzing food and pharmaceutical products, and studying complex ionic mixtures. |
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