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Fusion Energy
This division promotes the development and timely introduction of fusion energy as a sustainable energy source with favorable economic, environmental, and safety attributes. The division cooperates with other organizations on common issues of multidisciplinary fusion science and technology, conducts professional meetings, and disseminates technical information in support of these goals. Members focus on the assessment and resolution of critical developmental issues for practical fusion energy applications.
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ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Latest News
First astatine-labeled compound shipped in the U.S.
The Department of Energy’s National Isotope Development Center (NIDC) on March 31 announced the successful long-distance shipment in the United States of a biologically active compound labeled with the medical radioisotope astatine-211 (At-211). Because previous shipments have included only the “bare” isotope, the NIDC has described the development as “unleashing medical innovation.”
Wallace Davis, Jr.
Nuclear Science and Engineering | Volume 14 | Number 2 | October 1962 | Pages 174-178
Technical Paper | doi.org/10.13182/NSE62-A28117
Articles are hosted by Taylor and Francis Online.
Some of the published data on the extraction of nitric acid from aqueous solutions, containing ≦5 M acid, by tributyl phosphate-hydrocarbon diluent solutions were tested for their agreement with a mathematical description presented in Part 1. In all cases the agreement of the literature data with this description ranged from adequate to very good, thereby adding support to the interpretation of the parameters of the equation in terms of the equilibrium constant, , for the extraction reaction and the two activity coefficients y′T and . The form of the mathematics suggests that TBP and TBP·H2O are indistinguishable in their reaction with HNO3 and that y′T is an approximate mean molar activity coefficient of these two in the water-saturated system; similarly, is an approximate mean molar activity coefficient of the two species TBP·HNO3 and TBP·HNO3H2O. The quantity has a value of ∼1.5 in molar units for diluent-free TBP; its extrapolated value in the pure diluent Amsco 125-82, or odorless kerosene, is ∼0.23, while its value in n-hexane is ∼0.27.
