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Title: Characterizing the Chemical Behavior of Uranium Compounds for Nuclear Forensics

Abstract

Better characterization of uranium compounds related to the nuclear fuel cycle is a key goal of the nuclear forensics community. Understanding the chemical behavior of these compounds in various environmental conditions and the effect on observable properties is crucial to the identification of unknown materials. Uranyl fluoride, the hydrolysis product of uranium hexafluoride, is a material of particular interest. Previous studies have suggested that uranyl fluoride may degrade upon exposure to high humidity, but the chemical pathway of degradation was previously not well understood. Our work demonstrates that uranyl fluoride undergoes a chemical reaction with water vapor to form uranyl hydroxide and peroxide species. This understanding will help guide forensic analysis in the future.

Authors:
 [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]
  1. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1474609
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Conference
Resource Relation:
Conference: INMM 59th Annual Meeting - Balitmore, Maryland, United States of America - 7/22/2018 4:00:00 AM-7/26/2018 4:00:00 AM
Country of Publication:
United States
Language:
English

Citation Formats

Kirkegaard, Marie C., Miskowiec, Andrew J., Ambrogio, Michael W., Langford Jr, John, Shields, Ashley E., Niedziela, Jennifer L., Kapsimalis, Roger J., and Anderson, Brian B. Characterizing the Chemical Behavior of Uranium Compounds for Nuclear Forensics. United States: N. p., 2018. Web.
Kirkegaard, Marie C., Miskowiec, Andrew J., Ambrogio, Michael W., Langford Jr, John, Shields, Ashley E., Niedziela, Jennifer L., Kapsimalis, Roger J., & Anderson, Brian B. Characterizing the Chemical Behavior of Uranium Compounds for Nuclear Forensics. United States.
Kirkegaard, Marie C., Miskowiec, Andrew J., Ambrogio, Michael W., Langford Jr, John, Shields, Ashley E., Niedziela, Jennifer L., Kapsimalis, Roger J., and Anderson, Brian B. Sun . "Characterizing the Chemical Behavior of Uranium Compounds for Nuclear Forensics". United States. https://www.osti.gov/servlets/purl/1474609.
@article{osti_1474609,
title = {Characterizing the Chemical Behavior of Uranium Compounds for Nuclear Forensics},
author = {Kirkegaard, Marie C. and Miskowiec, Andrew J. and Ambrogio, Michael W. and Langford Jr, John and Shields, Ashley E. and Niedziela, Jennifer L. and Kapsimalis, Roger J. and Anderson, Brian B.},
abstractNote = {Better characterization of uranium compounds related to the nuclear fuel cycle is a key goal of the nuclear forensics community. Understanding the chemical behavior of these compounds in various environmental conditions and the effect on observable properties is crucial to the identification of unknown materials. Uranyl fluoride, the hydrolysis product of uranium hexafluoride, is a material of particular interest. Previous studies have suggested that uranyl fluoride may degrade upon exposure to high humidity, but the chemical pathway of degradation was previously not well understood. Our work demonstrates that uranyl fluoride undergoes a chemical reaction with water vapor to form uranyl hydroxide and peroxide species. This understanding will help guide forensic analysis in the future.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {7}
}

Conference:
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