A Further Report on the Radioactive Contamination of Milk and Milk Products in Japan |
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| Authors: | Tomokichi Tsugo Yoichiro Omomo |
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| Affiliation: | Department of Agricultural Chemistry, Faculty of Agriculture, University of Tokyo |
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| Abstract: | In succession of the paper1) reported in 1960, the measurements of strontium-90 (Sr-90) and cesium-137 (Cs-137) concentrations in milk powder were carried out in order to investigate the extent of the later radioactive contamination of milk in Japan. Whole- and skim milk powders collected from several localities of the whole country every season from 1958 to 1962 were used for radioactivity assay. These experiments show that there is regional variation in Sr-90 and Cs-137 concentrations and Cs-137μμc/Sr-90μμc ratio in milk powder produced in Japan is higher than that of other countries. |
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