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本文用自制的无水氟化钕(氧含量0.16～0.17%)为原料,测定了NdF_3(76～84wt%)—LiF(16～24wt%)系融盐电导率。计算得出电导率关于成分及温度的二元二次回归方程。绘出了电导率变化曲线及电导率等值图。并测定添加BaF_2对电导率的影响,推测BaF_2对NdF_3与LiF之间的熔解反应有相当的影响。
In this paper, the self-made anhydrous neodymium fluoride (0.16-0.17% oxygen) was used as raw material to measure the conductivity of molten salt of NdF 3 (76-84 wt%) - LiF (16-24 wt%). Compute the binary quadratic regression equation of conductivity with respect to composition and temperature. Draw the conductivity curve and the conductivity contour. The effect of BaF_2 addition on the conductivity was also investigated. It is speculated that BaF_2 has a considerable influence on the melting reaction between NdF_3 and LiF.