放射性核種 (Cr-51, Hg-203, Zn-65 および Ag-110m. 110) の鰓吸収と体内分布について

概要

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1) Absorption rate of some poisonous metals from the gill of fish was measured using the radioactive nuclides. Fish used was Japanese eel, Anguilla japonica and the following result was obtained. Zinc, mercury, chromium and silver are absorbed at the rate of 0.7-4.1×10-6, 0.3-3.2×10-5, 0.8-1.9×10-8 and 1.2-4.2×10-7mg per hour, respectively. 2) Distribution and accumulation of above mentioned nuclides in goldfish body was investigated. The results obtained are different according to the kind of nuclide. Zinc, mercury, chromium and silver are accumulated abundantly on intestine, kidney, head kidney and liver, respectively. The authors wish to express their cordial thanks to Dr. R. ICHIKAWA, National Institute of Radiological Sciences, for his kind advice given to authors during the experiment.
公益社団法人日本水産学会の論文