Solid-phase extraction of technetium--amine complexes onto C18 silica and its application to the isolation of 99Tc
Warwick, Croudace, Howard
文献索引：Anal. Chem. 72(16) , 3960-3, (2000)
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摘要
The extraction of Tc-tripentylamine complexes onto C18 silica solid-phase extraction columns is evaluated for the selective removal of 99Tc from other isotopes. The Tc-amine complex is quantitatively extracted from sulfuric acid and can be recovered from the column by elution with dilute alkali. A clean separation of Tc from all likely contaminants, including Ru, is achieved showing that C18 silica solid-phase extraction columns are a viable and attractive alternative to the solvent extraction of 99Tc.
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