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Title: Autoradiographic study of actinide sorption on climax stock granite

Abstract

An autoradiographic technique that employed an arrangement for placing in firm contact Polaroid sheet film, a scintillator screen, and the radioactive face of a specimen was applied to a study of the sorption of americium, neptunium, plutonium, and uranium on Climax Stock granite under varying conditions of pH and Eh. Qualitative agreement was found between the sorption of americium on crushed, pure minerals and on the minerals comprising the specimen of Climax Stock granite. The observations also supported a mechanism for reduction of Np(V) to Np(IV) and Pu(VI) to Pu(IV) by Fe(II)-containing minerals. There was no evidence for reduction of U(VI) by the Fe(II)-containing minerals, although the uranium, assumed to be present as UO/sub 2//sup 2 +/, appeared to be the only actinide species to exhibit sorption by a simple, cation-exchange mechanism at particular mineral sites. Some implications of these results for nuclear waste isolation are discussed briefly.

Authors:
; ;
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
OSTI Identifier:
5289169
Report Number(s):
ORNL-5617
TRN: 80-012173
DOE Contract Number:  
W-7405-ENG-26
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 54 ENVIRONMENTAL SCIENCES; 58 GEOSCIENCES; AMERICIUM; AUTORADIOGRAPHY; SORPTION; GRANITES; SORPTIVE PROPERTIES; MINERALS; NEPTUNIUM; PLUTONIUM; URANIUM; DIAGRAMS; IMAGES; PHOTOGRAPHIC FILMS; RADIOACTIVE WASTE DISPOSAL; RADIONUCLIDE MIGRATION; REDUCTION; SCINTILLATION COUNTERS; UNDERGROUND DISPOSAL; URANIUM OXIDES; VALENCE; ACTINIDE COMPOUNDS; ACTINIDES; CHALCOGENIDES; CHEMICAL REACTIONS; ELEMENTS; ENVIRONMENTAL TRANSPORT; IGNEOUS ROCKS; MANAGEMENT; MASS TRANSFER; MEASURING INSTRUMENTS; METALS; OXIDES; OXYGEN COMPOUNDS; PLUTONIC ROCKS; RADIATION DETECTORS; ROCKS; SURFACE PROPERTIES; TRANSPLUTONIUM ELEMENTS; TRANSURANIUM ELEMENTS; URANIUM COMPOUNDS; WASTE DISPOSAL; WASTE MANAGEMENT; 052002* - Nuclear Fuels- Waste Disposal & Storage; 510500 - Environment, Terrestrial- Site Resource & Use Studies- (-1989); 580300 - Mineralogy, Petrology, & Rock Mechanics- (-1989)

Citation Formats

Beall, G W, O'Kelley, G D, and Allard, B. Autoradiographic study of actinide sorption on climax stock granite. United States: N. p., 1980. Web. doi:10.2172/5289169.
Beall, G W, O'Kelley, G D, & Allard, B. Autoradiographic study of actinide sorption on climax stock granite. United States. https://doi.org/10.2172/5289169
Beall, G W, O'Kelley, G D, and Allard, B. 1980. "Autoradiographic study of actinide sorption on climax stock granite". United States. https://doi.org/10.2172/5289169. https://www.osti.gov/servlets/purl/5289169.
@article{osti_5289169,
title = {Autoradiographic study of actinide sorption on climax stock granite},
author = {Beall, G W and O'Kelley, G D and Allard, B},
abstractNote = {An autoradiographic technique that employed an arrangement for placing in firm contact Polaroid sheet film, a scintillator screen, and the radioactive face of a specimen was applied to a study of the sorption of americium, neptunium, plutonium, and uranium on Climax Stock granite under varying conditions of pH and Eh. Qualitative agreement was found between the sorption of americium on crushed, pure minerals and on the minerals comprising the specimen of Climax Stock granite. The observations also supported a mechanism for reduction of Np(V) to Np(IV) and Pu(VI) to Pu(IV) by Fe(II)-containing minerals. There was no evidence for reduction of U(VI) by the Fe(II)-containing minerals, although the uranium, assumed to be present as UO/sub 2//sup 2 +/, appeared to be the only actinide species to exhibit sorption by a simple, cation-exchange mechanism at particular mineral sites. Some implications of these results for nuclear waste isolation are discussed briefly.},
doi = {10.2172/5289169},
url = {https://www.osti.gov/biblio/5289169}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Jun 01 00:00:00 EDT 1980},
month = {Sun Jun 01 00:00:00 EDT 1980}
}