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The chemical stability of simulated waste forms Zr1–xNdxSiO4–x/2 was investigated using the static leach test (MCC-1) with lixiviants of three pH values (pH=4, 6.7 and 10) at three temperature points (40, 90 and 150 °C) for periods ranging from 1 to 42 d, and the influence of temperature, pH, as well as their combined effects were explored in detail. The results showed that all the normalized release...
Zircon was employed to immobilize simulated tetravalentactinide nuclide (Ce4+). Zr1−xCexSiO4 (0≤x≤0.10) ceramics were synthesized and their chemical durabilities were investigated systematically. The effects of pH and temperature on the chemical durability of the as-prepared compounds were investigated using the MCC-1 static leaching test, and their coupling effects were also explored. It was found...
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