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Original Articles

Preparation of 147Pm Ceramic Source Core

Pages 408-410 | Published online: 22 Jul 2008
 

Abstract

Preparation of ceramic pellets containing fixed promethium-147 is described. Incorporation rate of 147Pm into the ceramic material was determined. The leachability and vaporization of promethium from the obtained ceramics was investigated. The ceramic pellets prepared by the described procedure, mounted in special holders, can be applied as point sources in beta backscatter thickness gauges.

Es wird die Herstellung von keramischen Pellets beschrieben, die 147Pm enthalten. Dabei wurde die Einbaugeschwindigkeit des 147Pm in das keramische Material bestimml und die Auswaschbarkeitsowie die Verdampfung des Pm von den erhaltenen Keramikproben untersucht. Die so erhaltenen Pellets, die an besonderen Halterungen angebracht warden, können als Punktquellen für Betarückstoβ-Dicke-Meβgeräte eingesetzt warden.

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