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Determination of the 32P activity in angioplastic balloons by LSC.

机译:用LSC测定血管塑料球囊中的32P活性。

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摘要

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.
机译:血管塑料球囊中32P活性的测定涉及两个问题:覆盖有塑料箔的32P的提取和33P杂质的测定。在PTB,活动气球在氧气流中燃烧而被破坏。从管中定量提取出活性磷。 32P和33P的活性由一个月或更长时间内的测量结果以及随后的数据拟合确定。

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