THE DETERMINATION OF RADIUM-226 IN HUMAN BONE
THE DETERMINATION OF RADIUM-226 IN HUMAN BONE A simple procedure is described for preparing 10-g samples of bone ash for measurement of Ra/sup 226/ by the Rn/sup 222/ emandation technique. In this case, the radon is measured in 2-liter ion chambers, but scintillation chambers could be used. Coprecipitation of Ra/sup 226/ with BaSO/sub 4/ gives separation from bulk constituents, and the final precipitate is soluble in a few ml of 30% EDTA. Chemical recovery is measured with Ba/sup 133/ tracer. (auth)
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