Abstract

To evaluate the storage of dilute fission product solutions, the degree of absorption of 1-day cooled and 1-year cooled fission products was measuied for two different media in four container materials over periods of time up to 1 month. The selected media were nitric and hydrochloric acids. Acid concentration was varied over the range of 1 to 10 M. The contalners were borosilicate glass, wax-coated glass, Vycor glass, and polyethylene. Borosilicate glass was found to be superior for 1-day cooled fission product solutions, The adsorption of 1-year cooled gamma-emitting fission products was much less than that of young fission products. Polyethylene is the preferred storage material and hydrochloric acid-hydrogen peroxide is a better medium than nitric acid. (P.C.H.)

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