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Thermodynamics of oxygen in dilute liquid silver–tellurium alloys

机译:稀液态银-碲合金中氧气的热力学

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摘要

AbstractThe activity coefficient of oxygen in liquid Ag and binary Ag–Te dilute alloys were determined between 1,285 and 1,485 K by coulometric titration using the electrochemical cell (Ir, [O] in liquid metal or alloy | yttria stabilized zirconia | air, Pt). The experimental and evaluation procedures described in the literature were adopted. The oxygen activity coefficient was determined in pure liquid silver to be . Next, the oxygen activity coefficient in dilute Ag–(Te)–O alloys for variable XTe content (from 0.01 to 0.06) was measured. From the obtained results, Wagner’s interaction parameter as a function of temperature was derived in the form . The electrochemical coulometric titration method seems to be very useful to study the thermodynamics of oxygen interaction in liquid silver and its alloys.
机译:摘要使用电化学电池(液态金属或合金中的Ir,[O] |氧化钇稳定的氧化锆|空气,Pt),通过电量滴定法测定了液态Ag和二元Ag-Te稀合金中的氧活度系数。采用了文献中描述的实验和评估程序。测定纯液体银中的氧活度系数为。接下来,对XTe含量可变(从0.01到0.06)的Ag-(Te)-O稀合金中的氧活度系数进行了测量。根据获得的结果,以形式导出瓦格纳的相互作用参数随温度的变化。电化学库仑滴定法似乎对于研究液态银及其合金中氧相互作用的热力学非常有用。

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