イメージングプレートによる粗表面汚染密度測定

DOI Web Site Web Site 参考文献6件
  • 古田 悦子
    お茶の水女子大学理学部ラジオアイソトープ実験室
  • 吉沢 幸夫
    東京慈恵会医科大学アイソトープ実験施設
  • 名竹 孝志
    東京慈恵会医科大学アイソトープ実験施設
  • 瀧上 誠
    東京慈恵会医科大学アイソトープ実験施設

書誌事項

タイトル別名
  • Radioluminographic Monitoring of Radioactive Surface Contamination on a Rough Surface Material.
  • イメージング プレート ニヨル ソヒョウメン オセン ミツド ソクテイ

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抄録

Floating radioluminography using an imaging plate can be sufficiently applied to the monitoring of the surface contamination on rough surface materials at a radioisotope facility. This technique is superior to the smear method which has been used to estimate the contamination of low energy β-ray emitters, because the fixed contamination and the contamination on the coarse surface materials have been difficult to be wiped out on a smear paper. The radiation detection efficiency of the imaging plate is as high as the liquid scintillation technique, when the plate is exposed with the sample in a vacuum chamber. In this study, the technique has been tested to the surface monitoring of a liquid-waste concrete cistern, and the sort of contaminant radioisotope was estimated by inserting a plastic film or an aluminum plate between the imaging plate and the sample.

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