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Title: Development of U isotope fractionation as an indictor or U(VI) reduction in uranium plumes

This is the final report for a university research project that advanced development of a new technology for identifying chemical reduction of uranium contamination in groundwater at the Rifle Field Challenge site. Reduction changes mobile hexavalent uranium into immobile U(IV). The stable isotope ratio (238U/235U) measurements of U using multicollector ICP-mass spectrometry were performed to understand the chemical reduction and sorption processes during various field experiments. In addition laboratory experiments were performed to better understand the isotopic fractionations. The main objectives of this project were completed during the project period and two peer-reviewed articles were published to disseminate the information gained.
Authors:
 [1] ;  [1]
  1. Univ. of Illinois, Urbana-Champaign, IL (United States)
Publication Date:
OSTI Identifier:
1238070
Report Number(s):
DOE-ILLINOIS--0006755
DOE Contract Number:
SC0006755
Resource Type:
Technical Report
Research Org:
Univ. of Illinois, Urbana-Champaign, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
Country of Publication:
United States
Language:
English
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY