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| Spektrofotometria UV-Vis× | Miareczkowanie potencjometryczne× | |
|---|---|---|
| Dziedzina | Chemia analityczna | Chemia analityczna |
| Rodzina | Process / pipeline | Process / pipeline |
| Rok powstania≠ | 1852 | 1909 |
| Twórca≠ | August Beer | Soren Sorensen |
| Typ≠ | absorption measurement technique | titration method |
| Źródło pierwotne≠ | Beer, A. (1852). Bestimmung der Absorption des rothen Lichts in farbigen Flussigkeiten. Annalen der Physik und Chemie, 86(5), 78–88. DOI ↗ | Skoog, D. A., West, D. M., Holler, F. J., & Crouch, S. R. (2014). Fundamentals of Analytical Chemistry (9th ed.). Cengage Learning. ISBN: 978-1133170960 |
| Inne nazwy≠ | UV-Vis spectroscopy, absorption spectroscopy, colorimetry | potentiometry, electrochemical titration |
| Pokrewne | 5 | 5 |
| Podsumowanie≠ | 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. | 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. |
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