Long Term Effective Half-lives for Lead-210 and Polonium-210 in Selected Organs of the Male Rat
- 1 January 1974
- journal article
- Published by Wolters Kluwer Health in Health Physics
- Vol. 26 (1) , 81-87
- https://doi.org/10.1097/00004032-197401000-00009
Abstract
The influence of 210Pb on the effective half life of 210Po in various organs of the male rat was investigated. Male rats were injected with an equilibrium solution of RaDEF. Rats were sacrificed over 140 days post injection and skull, femur, spine, kidney, gonads, spleen, liver, lungs, blood and heart removed, weighed and analyzed for their 210Po and 210Pb content. The data indicate that soft tissue half life and distribution values for 210Po will be influenced by the release of 210Po from the bone compartment. The results bring into question the MPC values for decay chains (i.e. RaDEF decay chain) in which daughter products can be redistributed to other organs thereby increasing the radiation dose to these organs.Keywords
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