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| Rekrystallisation× | Tyndtlagschromatografi× | |
|---|---|---|
| Fagområde | Kemi | Kemi |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | early 19th century | 1956 |
| Ophavsperson≠ | Organic chemistry tradition | Egon Stahl |
| Type≠ | Purification technique | Chromatographic separation technique |
| Oprindelig kilde≠ | Pavia, D. L., Lampman, G. M., Kriz, G. S., & Engel, R. G. (2014). A Small-Scale Approach to Organic Laboratory Techniques (4th ed.). Cengage Learning. ISBN: 978-1285749297 | Sherma, J. (2003). Planar Chromatography. Analytical Chemistry, 75(12), 2783–2811. DOI ↗ |
| Aliasser | crystallization purification, recrystallisation | TLC, planar chromatography |
| Relaterede | 3 | 3 |
| Resumé≠ | Recrystallization is a classical purification technique in which a solid compound is dissolved in hot solvent, then allowed to crystallize upon cooling, yielding pure crystals while impurities remain in solution. Practiced for centuries in chemistry laboratories, recrystallization remains one of the most effective and accessible methods for purifying organic solids, especially when the target compound has low solubility at low temperatures. | Thin-Layer Chromatography (TLC) is a planar chromatographic technique that separates compounds based on their differential affinities for a mobile and stationary phase. Developed by Egon Stahl in 1956, TLC remains one of the most accessible and widely used analytical methods in organic and inorganic chemistry, laboratories, and quality control. |
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