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UDK: 621.039.73

2017. - V. 31. - N 10(191). - P. 25-27

S.A. Kulikova, K.Yu. Belova, S.E. Vinokurov, E.A. Tyupina,

HYDROLITICAL STABILITY OF MAGNESIUM POTASSIUM PHOSPHATE MATRIX CONTAINING URANIUM AND LANTHANE

The samples of low-temperature mineral-like magnesium potassium phosphate matrix were synthesized under solidification of aqueous solutions of uranyl nitrate and lanthanum nitrate. The hydrolytic stability of the synthesized samples was studied in accordance with the current regulatory requirements. The structure of a matrix containing lanthanum and the distribution of matrix-forming components were studied. It was shown that the magnesium potassium phosphate matrix is a promising material for conditioning of wastes containing residual amounts of uranium and plutonium after reprocessing spent nuclear fuel, as well as transplutonium and rare-earth elements.

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First page of the article:

ГИДРОЛИТИЧЕСКАЯ УСТОЙЧИВОСТЬ МАГНИЙ-КАЛИЙ-ФОСФАТНОЙ МАТРИЦЫ, СОДЕРЖАЩЕЙ УРАН И ЛАНТАН

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Keywords

hydrolytic stability   Lanthanum   leaching degree   leaching rate   magnesium potassium phosphate matrix   structure   uranium   гидролитическая устойчивость   лантан   магний-калий-фосфатная матрица   скорость выщелачивания   степень выщелачивания   структура   уран  


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