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Title: Method for characterization of the rate of movement of an oxidation front in cementitious materials

Disclosed are methods for determining the redox condition of cementitious materials. The methods are leaching methods that utilize a redox active transition metal indicator that is present in the cementitious material and exhibits variable solubility depending upon the oxidation state of the indicator. When the leaching process is carried out under anaerobic conditions, the presence or absence of the indicator in the leachate can be utilized to determine the redox condition of and location of the oxidation front in the material that has been subjected to the leaching process.
Authors:
; ;
Publication Date:
OSTI Identifier:
1240733
Report Number(s):
9,274,093
13/973,567
DOE Contract Number:
AC09-08SR22470
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Aug 22
Research Org:
Savannah River Technology Center (SRTC), Aiken, SC (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY