Abstract
Perovskites of the compositions xLa2O3·Al2O3 and xLa2O3·Fe2O3 were prepared by cold pressing and sintering at temperatures of up to 1500°C, and their properties were studied. Perovskites based on lanthanum aluminate are more porous than those based on lanthanum ferrite, whereas the rate of radionuclide leaching from the former compounds is lower than from the latter compounds. The parameter x varied in a relatively wide range does not affect the leaching rate.
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Original Russian Text © A.O. Merkushkin, A.V. Ochkin, S.I. Rovnyi, S.V. Stefanovskii, 2009, published in Radiokhimiya, 2009, Vol. 51, No. 2, pp. 170–174.
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Merkushkin, A.O., Ochkin, A.V., Rovnyi, S.I. et al. Perovskite MIMIIO3 as a matrix for incorporation of the actinide fraction of HLW. Radiochemistry 51, 193–197 (2009). https://doi.org/10.1134/S1066362209020180
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DOI: https://doi.org/10.1134/S1066362209020180