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in subjects: "Transplutonium Elements"

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Quality engineering and control. Semiannual progress report, May-October 1978

The standard colorimetric procedure for thorium was improved by using lanthanum carrier precipitation of thorium fluoride, conversion to sulfate, and colorimetric measurement with thoron. Four types of anion-exchange resins were evaluated using breakthrough capacity, elution volume, and the neptunium-plutonium ratios in both wash solutions and ion-column eluates as criteria, and 100 to 200 mesh Dowex 1 x 4 resin had the most favorable separation characteristics. Use of commercially available aq… more

Date: August 20, 1979

Creator: Carpenter, R.L.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

HIGH FLUX ISOTOPE REACTOR PRELIMINARY DESIGN STUDY

A comparison of possible types of research reactors for the production of transplutonium elements and other isotopes indicates that a flux-trap reactor consisting of a beryllium-reflecteds light-water-cooled annular fuel region surrounding a light-water island provides the required thermal neutron fluxes at minimum cost. The preliminary desigu of such a reactor was carried out on the basis of a parametric study of the effect of dimensions of the island and fuel regions heat removal rates, and f… more

Date: March 20, 1959

Creator: Lane, J. A.; Cheverton, R. D.; Claiborne, G. C.; Cole, T. E.; Gambill, W. R.; Gill, J. P. et al.