Decontamination of Pu-239 from Pt Plates
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概要
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In order to reuse Pt plates which are soiled by 239Pu on the counting sample preparation, the decontamination experiments have been carried out with washing and immersion process.Results obtained show that water washing has not any effect but diluted HCl and HNO3 washing have fair effects for removal of 239Pu from Pt plates in the cause of an ion exchange reaction. It is also found that 239Pu decontaminabilities of these acids are increased with increasing of their acidifies.The conclusion is that one of the most excellent decontamination processes of 239Pu may be a long period (more than one day) immersion in concentrated HCl without corrosion of Pt plates.
- 日本保健物理学会の論文
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