Abstract
Tritium concentrations are reported for diet and human tissue samples collected in the Akita district of northern Japan. Sixteen separate food group samples and a total diet sample were collected for Akita City during April and May 1987. Six samples of heart and nine samples of kidney tissue were collected from 10 decreased individuals in Akita Prefecture from January to July 1986. Five serum and four blood samples were also obtained in Akita Prefecture from December 1985 to June 1986. Free water3H concentration as well as tissue-bound3H were determined separately. Specific activity ratios of tissue-bound3H to free water3H in the samples were almost between 1.0 and 2.0 and were similar to our previous results for food samples and other tissue samples. The specific activity ratio was also found to be lower than that reported in the U.S.A. and significantly lower than in Europe.
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Hisamatsu, S., Ohmura, T., Takizawa, Y. et al. Tritium level in Japanese diet and human tissue. Journal of Radioanalytical and Nuclear Chemistry, Articles 156, 89–102 (1992). https://doi.org/10.1007/BF02037425
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DOI: https://doi.org/10.1007/BF02037425