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Kategorie:Chemie Chemie Kl. 10

Von Arthur |

Am 13 Dezember

Chromatographie

Analytisches Verfahren zur Untersuchung von Stoffgemischen
Bsp.: Dünnschicht Chromatographie
Funktion
- Stoffe sind unterschiedlich gut in Flussmittel löslich
- Unterschiedlich starke Wechselwirkung (WW) mit der Trägerplatte
- Stoff 1: Starke WW mit der Trägerplatte
- Stoff 2: Schwache WW mit der Trägerplatte

Gaschromatographie

Die Gaschromatographie ist eine Methode zum Auftrennen von Gemischen in einzelne chemische Verbindungen.

Die Gaschromatographie findet häufig Anwendung in der Medizin, hier werden Medikamente auf ihre Reinheit oder Inhaltsstoffe getestet.

Prinzipieller Aufbau eines Gaschromatographen: Trägergas (1), Injektor (2), Säule im GC-Ofen (3), Detektor, hier FID (4), Signalaufzeichnung (5). (https://de.wikipedia.org/wiki/Gaschromatographie)

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Chromatographie

Gaschromatographie

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