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Determination of the 32P activity in angioplastic balloons by LSC
1Physikalisch-Technische Bundesanstalt, Braunschweig, Germany. eberhard.guenther@ptb.de
Abstract:
The determination of the 32P activity in angioplastic balloons involves two problems: the extraction of 32P, which is covered with plastic foils, and the determination of the 33P impurity. At PTB the active balloons are destroyed by combustion in an oxygen stream. The active phosphorus is extracted quantitatively from the tube. The activities of 32P and 33P are determined by measurements performed over a period of one month or more by a subsequent data fit.
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