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DIN 25494-1991
Determination of density and open and closed porosity of uranium dioxide pellets; boiling water and immersion method
适用范围：This standard methods for the determination of the density, and the contributions of open and closed porosity of sintered UO<(Index)2> tablets. They can also be applied for unsintered tablets, or tablets of UO<(Index)2>-PuO<(Index)2> or UO<(Index)2>-Gd<(Index)2>O<(Index)3>. The volumes of the tablets, and of its open and closed porosity is determined by measurement of its mass when dry, after impregnation in air, and while submersed in the impregnation liquid.#,,#
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