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The Effects of Calcite Solid Solution Formation on the Transient Release of Radionuclides from Concrete Barriers
Published online by Cambridge University Press: 28 February 2011
Abstract
The wealhering of concrete by carbonation causes the formation of calcite solid solutions that can significantly improve concrete as a barrier to the migration of divalent radionuclide cations. Example calculations for 90Sr and 60Co indicate that release rates from carbonated concrete are five orders of magnitude lower than for intact, unweathered concrete and that the thin carbonated zone is a significant sink for these radionuclides.
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- Copyright © Materials Research Society 1991
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