Establishing New Radiation Protection Guidelines for Radionuclides of Cerium

The following physical, chemical, and biological factors related to the metabolism of inhaled and ingested radiocerium are recommended for establishing radiation protection guidelines [Pg.73]

Retention of cerium deposited in these tissues is generally considered to be very long, with a biological half-time in excess of a thousand days. Therefore, the effective half-time of retention in these internal organs will be approximately equal to the physical half-life. [Pg.76]

9 Fractions of absorbed cerium depositing in gonads were calculated from data in Table 20 by taking average ratios of radioactivity in testes or ovaries to that in liver and skeleton and multiplying these by the above liver and skeletal deposition fraction. [Pg.76]

Aeberhardt, A. (1961). Contribution to the Study of the Metabolism of Fission Products. Research on the Physico-Chemical State and the Metabolic Path of Radiocerium Solutions, French Atomic Energy Commission Report No. CEA-1856, English translation Report No. AEC-tr-5242 (National Technical Information Service, Springfield, Virginia). [Pg.78]

Aeberhardt, A., Nizza, P. and Arnaud, Y. (1961). Contribution to the knowledge of the metabolism and the radiotoxicological properties of Cerium 144, Bull. Inf. Sci. Tech. Commis. Energ. At. 47, 2. [Pg.78]

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