Methods and results of99Tc analysis of Nevada test site groundwaters
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Samples of the long-lived fission product99Tc were isolated from liter quantities of selected groundwaters from the Cheshire, Bilby, Nash, Bourbon, Cambric and Faultless event sites and the99Tc concentrations determined by liquid scintillation counting. Although99Tc was detected in several of the samples, the concentrations did not exceed the MPCw of 3·10−4 μCi/ml and the results indicated that the Tc was present primarily in solution rather than sorbed on colloidal-size material.
KeywordsPhysical Chemistry Inorganic Chemistry Nash Sorb Liquid Scintillation
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