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Title: Method for characterization of the redox condition of cementitious materials

Abstract

Disclosed are methods for determining the redox condition of cementitious materials. The methods are leaching methods that utilize an in situ redox indicator that is present in the cementitious materials as formed. The in situ redox indicator leaches from cementitious material and, when the leaching process is carried out under anaerobic conditions can be utilized to determine the redox condition of the material. The in situ redox indicator can exhibit distinct characteristics in the leachate depending upon the redox condition of the indicator.

Inventors:
; ;
Issue Date:
Research Org.:
Savannah River Site (SRS), Aiken, SC (United States). Savannah River Technology Center (SRTC)
Sponsoring Org.:
USDOE
OSTI Identifier:
1233583
Patent Number(s):
9217738
Application Number:
13/973,485
Assignee:
Savannah River Nuclear Solutions, LLC
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
DOE Contract Number:  
AC09-08SR22470
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Aug 22
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE

Citation Formats

Almond, Philip M., Langton, Christine A., and Stefanko, David B. Method for characterization of the redox condition of cementitious materials. United States: N. p., 2015. Web.
Almond, Philip M., Langton, Christine A., & Stefanko, David B. Method for characterization of the redox condition of cementitious materials. United States.
Almond, Philip M., Langton, Christine A., and Stefanko, David B. Tue . "Method for characterization of the redox condition of cementitious materials". United States. https://www.osti.gov/servlets/purl/1233583.
@article{osti_1233583,
title = {Method for characterization of the redox condition of cementitious materials},
author = {Almond, Philip M. and Langton, Christine A. and Stefanko, David B.},
abstractNote = {Disclosed are methods for determining the redox condition of cementitious materials. The methods are leaching methods that utilize an in situ redox indicator that is present in the cementitious materials as formed. The in situ redox indicator leaches from cementitious material and, when the leaching process is carried out under anaerobic conditions can be utilized to determine the redox condition of the material. The in situ redox indicator can exhibit distinct characteristics in the leachate depending upon the redox condition of the indicator.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {12}
}

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Works referenced in this record:

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journal, January 1992


Leaching of Saltstone
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Slag-Based Saltstone Formulations
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The usefulness of UV–visible and fluorescence spectroscopies to study the chemical nature of humic substances from soils and composts
journal, December 2006


Characterization of Predominant Reductants in an Anaerobic Leachate-Contaminated Aquifer by Nitroaromatic Probe Compounds
journal, January 1998


Landfill Management, Leachate Generation, and Leach Testing of Solid Wastes in Australia and Overseas
journal, March 2005


Effect Of Oxidation On Chromium Leaching And Redox Capacity Of Slag-Containing Waste Forms
report, March 2013