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Title: Characterization of the Environmentally Induced Chemical Transformations of Uranium Tetrafluoride

Abstract

A key challenge with nuclear safeguards environmental sampling is identification of the materials post release due to subsequent chemical reactions with ambient water and oxygen. Uranium Tetrafluoride (UF4) is of interest as an intermediate in both the upstream and downstream portions of uranium feedstock and metal production processes used in nuclear fuel production; however minimal published research exists relating to UF4 hydrolysis. FY16 efforts were dedicated to in-situ Raman spectroscopy and X-ray diffraction characterization of UF4 during exposure to various relative humidity conditions. This effort mapped several hydrolysis reaction pathways and identified both intermediate, and terminal progeny species.

Authors:
 [1]
  1. Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
Publication Date:
Research Org.:
Savannah River Site (SRS), Aiken, SC (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1395970
Report Number(s):
SRNL-STI-2017-00632
TRN: US1800073
DOE Contract Number:  
DE-AC09-08SR22470
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; URANIUM TETRAFLUORIDE; URANIUM; HYDROLYSIS; NUCLEAR FUELS

Citation Formats

Wellons, M. Characterization of the Environmentally Induced Chemical Transformations of Uranium Tetrafluoride. United States: N. p., 2017. Web. doi:10.2172/1395970.
Wellons, M. Characterization of the Environmentally Induced Chemical Transformations of Uranium Tetrafluoride. United States. doi:10.2172/1395970.
Wellons, M. Fri . "Characterization of the Environmentally Induced Chemical Transformations of Uranium Tetrafluoride". United States. doi:10.2172/1395970. https://www.osti.gov/servlets/purl/1395970.
@article{osti_1395970,
title = {Characterization of the Environmentally Induced Chemical Transformations of Uranium Tetrafluoride},
author = {Wellons, M.},
abstractNote = {A key challenge with nuclear safeguards environmental sampling is identification of the materials post release due to subsequent chemical reactions with ambient water and oxygen. Uranium Tetrafluoride (UF4) is of interest as an intermediate in both the upstream and downstream portions of uranium feedstock and metal production processes used in nuclear fuel production; however minimal published research exists relating to UF4 hydrolysis. FY16 efforts were dedicated to in-situ Raman spectroscopy and X-ray diffraction characterization of UF4 during exposure to various relative humidity conditions. This effort mapped several hydrolysis reaction pathways and identified both intermediate, and terminal progeny species.},
doi = {10.2172/1395970},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Sep 29 00:00:00 EDT 2017},
month = {Fri Sep 29 00:00:00 EDT 2017}
}

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