210po RadioaCtivity in Organs of SeleCted Tunas and Other Marine Fish
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概要
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Polonium-210 radioactivities were measured in organs of 10 oceanic fish from three families. The highest activities were consistently found in the pyloric caecal masses or intestinal contents of these fish. Certain visceral organs of the albacore have been found to contain very high concentrations of the alpha emitting nuclide 210po. More recently, studies here at Scripps revealed the highest natural radioactivity yet measured in any tissue of an oceanic fish, 190,000 pCi 210po/wet Kg, in a distal lobe of the caecal mass of an individual albacore. It was decided to determine whether the pyloric caeca of other Scombroid fish were equally radioactive and to delineate the distributions of 210po throughout various other organs within members of this family. The same organs in three additional marine sportfish were also analyzed for comparative purposes.
- 日本放射線影響学会の論文
著者
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Folsom T.r.
Mt. Soledad Laboratory For Marine Radioactivity Studies Scripps Institution Of Oceanography Universi
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Hodge V.f.
Mt. Soledad Laboratory For Marine Radioactivity Studies Scripps Institution Of Oceanography Universi
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Hoffman F.l.
Mt. Soledad Laboratory For Marine Radioactivity Studies Scripps Institution Of Oceanography Universi