铑在金属中的溶解度

Q2 Materials Science

Minerals & Metallurgical Processing Pub Date : 2017-05-01 DOI:10.19150/MMP.7509

K. Avarmaa, P. Taskinen

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引用次数: 1

摘要

采用高温平衡淬火技术和电子探针X射线显微分析直接相分析方法，测定了在1000至1300°C的铜精炼泥处理条件下，铑（Rh）在熔融银合金中的溶解度。所得结果表明，铑在熔融银中的溶解度非常有限：在1000和1300°C下分别只有0.04至0.26重量%。根据溶解度数据估算了铑在熔融银中的热力学性质。本研究还测量了与熔融富银金属平衡的固态铑合金的成分。在精炼过程中，合金中过量的铑将以固体形式沉淀，超过99%（重量）的铑。

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Solubility of rhodium in doré metal

The solubilities of rhodium (Rh) in a molten silver alloy in doré-smelting conditions for treating copper refinery slime at temperatures of 1,000 to 1,300°C were measured using a high-temperature equilibration-quenching technique and direct phase analysis by electron probe X-ray microanalysis. The results obtained indicate that the solubility of rhodium in molten silver is very limited: only 0.04 to 0.26 weight percent at 1,000 and 1,300°C, respectively. The thermodynamic properties of rhodium in molten silver were estimated from the solubility data. The compositions of the solid rhodium alloys in equilibrium with molten silver-rich doré metal were also measured in this study. The excess rhodium in the doré alloy will precipitate during the refining as solid, greater than 99 weight percent Rh.

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来源期刊

Minerals & Metallurgical Processing 工程技术-矿业与矿物加工

CiteScore

0.84

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： For over twenty-five years, M&MP has been your source for the newest thinking in the processing of minerals and metals. We cover the latest developments in a wide range of applicable disciplines, from metallurgy to computer science to environmental engineering. Our authors, experts from industry, academia and the government, present state-of-the-art research from around the globe.