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Title: Graphite Isotope Ratio Method Development Report: Irradiation Test Demonstration of Uranium as a Low Fluence Indicator

This report describes an irradiation test designed to investigate the suitability of uranium as a graphite isotope ratio method (GIRM) low fluence indicator. GIRM is a demonstrated concept that gives a graphite-moderated reactor's lifetime production based on measuring changes in the isotopic ratio of elements known to exist in trace quantities within reactor-grade graphite. Appendix I of this report provides a tutorial on the GIRM concept.
Authors:
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Publication Date:
OSTI Identifier:
13875
Report Number(s):
PNNL-13056; GJ0400000
R&D Project: 21317; GJ0400000; TRN: US0110823
DOE Contract Number:
AC06-76RL01830
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 20 Oct 1999
Research Org:
Pacific Northwest National Lab., Richland, WA (US)
Sponsoring Org:
US Department of Energy (US)
Country of Publication:
United States
Language:
English
Subject:
22 GENERAL STUDIES OF NUCLEAR REACTORS; GRAPHITE; IRRADIATION; ISOTOPE RATIO; URANIUM; NEUTRON FLUENCE; SERVICE LIFE; GRAPHITE MODERATED REACTORS