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  • Title: The accumulation study of ⁹⁰Sr in fish from a fishpond of northern Taiwan.
    Author: Lee PF, Wang JJ, Huang JC.
    Journal: Appl Radiat Isot; 2013 Nov; 81():321-4. PubMed ID: 23623762.
    Abstract:
    Three kinds of fish from a natural fishpond in the north of Taiwan were collected and analyzed in this study. The three species were non-predatory Ctenopharyn odon idellus, predatory Aristichthys nobilis and predatory Mylopharyngodon piceus. The activity concentrations of (90)Sr in bone and edible flesh of fish, as well as in water and soil of fishpond were measured by using the radiochemical analysis. Additionally, the concentration of stable calcium in fish bone, [Ca]bone, and that of stable strontium in fish bone, [Sr]bone, were measured by ICP-AES. From the results, the concentration factors of (90)Sr, CF((90)Sr), in fish bone was no statistic difference between non-predatory and predatory fish. Besides, the accumulation of (90)Sr in the non-predatory fish remarkably decreased with increasing the fish weight. As for the predatory fish, they both showed no statistically significant correlations between the (90)Sr activity concentration and the fish weight. Regarding the activity concentrations of (90)Sr in fish bone, all the fish were observed positively correlated with the measured [Sr]bone.
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