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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Ni液中Y-S平衡的研究
, PP. 286-295
Abstract:
用直接平衡法研究了1500,1550,1600℃Ni液中Y-S平衡关系,测定了钇的脱硫常数lgK_(YS)及Y,S的一阶活度相互作用系数e_S~Y与温度的关系,并进行了有关的热力学计算。由测得的数据算出Ni液中YS的标准生成自由能△G_((Y)S),钇的标准溶解自由能△G_((Y)(l)→[Y]Ni),活度系数γ_Y~o,以及钇的克原子分数自相互作用系数∑_Y~Y和百分浓度自相互作用系数e_Y~Y与温度的关系。对于反应[Y]_(Ni)+[S]_(Ni)=YS_(s)△G_((Y)S)=-215000+95.53T(cal/mol)脱硫常数lgK_(YS)=-47000/T+20.86e_S~Y=-350200/T+179△G_((Y)(l)→[Y]Ni)=126200-79.31T(cal/mol)lgγ_(Y)=27584/T-15.151∑_Y~Y=-127T05/T+69.79e_Y~Y=-364.8/T+0.2018
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