NGSI FY15 Final Report. Innovative Sample Preparation for in-Field Uranium Isotopic Determinations

Yoshida, Thomas M.¹  Meyers, Lisa¹ 

[1] Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

关键词: URANIUM OXIDES U3O8;    URANIUM DIOXIDE;    DISSOLUTION;    URANIUM;    SAMPLE PREPARATION;    FILTERS;    OPTIMIZATION;    AMMONIUM FLUORIDES;    AQUEOUS SOLUTIONS;    EMISSION SPECTROSCOPY;    STANDARDS;    URANIUM ISOTOPES;    QUANTITATIVE CHEMICAL ANALYSIS Analytical Chemistry;   

DOI  :  10.2172/1226126
RP-ID  :  LA-UR--15-28796
PID  :  OSTI ID: 1226126
Others  :  TRN: US1500867

学科分类：化学（综合）

美国|英语

来源: SciTech Connect

【 摘 要 】

Our FY14 Final Report included an introduction to the project, background, literature search of uranium dissolution methods, assessment of commercial off the shelf (COTS) automated sample preparation systems, as well as data and results for dissolution of bulk quantities of uranium oxides, and dissolution of uranium oxides from swipe filter materials using ammonium bifluoride (ABF). Also, discussed were reaction studies of solid ABF with uranium oxide that provided a basis for determining the ABF/uranium oxide dissolution mechanism. This report details the final experiments for optimizing dissolution of U₃O₈ and UO₂ using ABF and steps leading to development of a Standard Operating Procedure (SOP) for dissolution of uranium oxides on swipe filters.