Porovnať metódy
Prezrite si vybrané metódy vedľa seba; riadky, ktoré sa líšia, sú zvýraznené.
| Spektrofotometria vo UV-Vis oblasti× | Iónová chromatografia× | |
|---|---|---|
| Odbor | Analytická chémia | Analytická chémia |
| Rodina | Process / pipeline | Process / pipeline |
| Rok vzniku≠ | 1852 | 1975 |
| Tvorca≠ | August Beer | Hamish Small |
| Typ≠ | absorption measurement technique | separation and analysis technique |
| Pôvodný zdroj≠ | Beer, A. (1852). Bestimmung der Absorption des rothen Lichts in farbigen Flussigkeiten. Annalen der Physik und Chemie, 86(5), 78–88. DOI ↗ | Small, H., Stevens, T. S., & Bauman, W. C. (1989). Novel ion exchange chromatographic method using conductometric detection. Analytical Chemistry, 47(11), 1801–1809. DOI ↗ |
| Ďalšie názvy | UV-Vis spectroscopy, absorption spectroscopy, colorimetry | IC, ion-exchange chromatography, IEC |
| Príbuzné | 5 | 5 |
| Zhrnutie≠ | UV-Vis spectrophotometry is an optical analytical technique that measures the absorption of ultraviolet and visible light (wavelengths 190–900 nm) by substances in solution. Founded on the Beer-Lambert law (developed by August Beer and Pierre Bouguer), it is one of the oldest and most widely used quantitative analytical methods. UV-Vis spectrophotometry is economical, rapid, and applicable to a vast range of organic and inorganic compounds, making it indispensable in pharmaceutical, clinical, environmental, and research laboratories. | 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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