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Thermodynamic stability and kinetics of perovskite dissolution

Abstract

Perovskite, a SYNROC host mineral for nuclear wastes, is thermodynamically unstable in natural waters and in association with common minerals. Leach experiments demonstrate that CaTiO/sub 3/ (perovskite), SrTiO/sub 3/ and BaTiO/sub 3/ are as reactive as some silicate glasses below 100/sup 0/C, but leach much more slowly than glasses above 100/sup 0/C.
Authors:
Nesbitt, H W; Bancroft, G M; Fyfe, W S; Karkhanis, S N; Nishijima, A; [1]  Shin, S [2] 
  1. Western Ontario Univ., London (Canada)
  2. National Chemical Lab. for Industry, Tsukuba (Japan)
Publication Date:
Jan 29, 1981
Product Type:
Journal Article
Reference Number:
AIX-12-598912; EDB-81-051615
Resource Relation:
Journal Name: Nature (London); (United Kingdom); Journal Volume: 289:5796
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; 12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; BARIUM OXIDES; LEACHING; PEROVSKITE; STRONTIUM OXIDES; TITANIUM OXIDES; BOROSILICATE GLASS; CHEMICAL REACTION KINETICS; COMPARATIVE EVALUATIONS; EXPERIMENTAL DATA; HIGH TEMPERATURE; MEDIUM TEMPERATURE; SYNTHETIC ROCKS; TEMPERATURE DEPENDENCE; THERMODYNAMIC ACTIVITY; WATER; ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CALCIUM COMPOUNDS; CALCIUM OXIDES; CHALCOGENIDES; DATA; DISSOLUTION; GLASS; HYDROGEN COMPOUNDS; INFORMATION; KINETICS; MATERIALS; MINERALS; NUMERICAL DATA; OXIDES; OXYGEN COMPOUNDS; PEROVSKITES; REACTION KINETICS; ROCKS; SEPARATION PROCESSES; STRONTIUM COMPOUNDS; SYNTHETIC MATERIALS; TITANIUM COMPOUNDS; TRANSITION ELEMENT COMPOUNDS; 400201* - Chemical & Physicochemical Properties; 052002 - Nuclear Fuels- Waste Disposal & Storage
OSTI ID:
6572976
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: NATUA
Submitting Site:
INIS
Size:
Pages: 358-362
Announcement Date:
Apr 01, 1981

Citation Formats

Nesbitt, H W, Bancroft, G M, Fyfe, W S, Karkhanis, S N, Nishijima, A, and Shin, S. Thermodynamic stability and kinetics of perovskite dissolution. United Kingdom: N. p., 1981. Web. doi:10.1038/289358a0.
Nesbitt, H W, Bancroft, G M, Fyfe, W S, Karkhanis, S N, Nishijima, A, & Shin, S. Thermodynamic stability and kinetics of perovskite dissolution. United Kingdom. https://doi.org/10.1038/289358a0
Nesbitt, H W, Bancroft, G M, Fyfe, W S, Karkhanis, S N, Nishijima, A, and Shin, S. 1981. "Thermodynamic stability and kinetics of perovskite dissolution." United Kingdom. https://doi.org/10.1038/289358a0.
@misc{etde_6572976,
title = {Thermodynamic stability and kinetics of perovskite dissolution}
author = {Nesbitt, H W, Bancroft, G M, Fyfe, W S, Karkhanis, S N, Nishijima, A, and Shin, S}
abstractNote = {Perovskite, a SYNROC host mineral for nuclear wastes, is thermodynamically unstable in natural waters and in association with common minerals. Leach experiments demonstrate that CaTiO/sub 3/ (perovskite), SrTiO/sub 3/ and BaTiO/sub 3/ are as reactive as some silicate glasses below 100/sup 0/C, but leach much more slowly than glasses above 100/sup 0/C.}
doi = {10.1038/289358a0}
journal = []
volume = {289:5796}
journal type = {AC}
place = {United Kingdom}
year = {1981}
month = {Jan}
}