Schnelle Extraktion durch quasi-feste Extraktionsmittel
作者： Richard Denig , Norbert Trautmann , Günter Herrmann
DOI: 10.1007/BF00515293
关键词: Chemistry 、 Nuclear chemistry
摘要: Losungsmittelextraktionen lassen sich erheblich beschleunigen, indem man das Extraktionsmittel an einen feinkornigen TrAger adsorbiert und die zu extrahierende Losung rasch durch eine dunne Schicht dieses Materials saugt. Funfwertiges Antimon Protactinium werden Diisobutylcarbinol Di-2-Athylhexyl-orthophosphorsAure, gebunden PolytrifluormonochlorAthylen, selbst bei maximaler Sauggeschwindigkeit von 2–3 ml/sec nahezu quantitativ extrahiert. Die Anwendung dieser Technik kernchemischen Studien wird folgenden schnellen Trennungen demonstriert: Protactinium-234 m aus Uran, Tellur nach (n, p)-Proze\, Spaltprodukten wiederholtes Abmelken Spaltantimon.
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