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- Author or Editor: R. Orr x
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Abstract
Recently developed methods for the rapid, quantitative analysis of americium (Am), curium (Cm), and plutonium (Pu) isotopes in Hanford soil, sludge, and waste-tank samples are described. After dissolution, dilutions are made as necessary based on alpha-energy analysis of a small aliquot of the original solution. Isotopic tracers are then added and Am-Cm and Pu are separated by extraction chromatography, coprecipitated with neodymium fluoride, and counted. Examples of alpha spectra are given, and results obtained for Hanford sludge samples are presented.
Abstract
Tank wastes are usually very basic, pH>12, and extremely radioactive. An ion exchange method for removing most of the radioactive components has been developed. The sample can then be removed from the hot cell facility to be analyzed for chelator, chelator fragments, and low-molecular weight acids. The use of cation exchange resin in the sample preparation does not introduce or remove any organic carbon.
