MOLTEN LITHIUM NITRATE-POTASSIUM NITRATE EUTECTIC - SOME REACTIONS OF COPPER(II) AND OF METALLIC SILVER

被引:15
作者
FROUZANFAR, H
KERRIDGE, DH
机构
[1] Department of Chemistry, The University, Southampton
来源
JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY | 1979年 / 41卷 / 02期
关键词
D O I
10.1016/0022-1902(79)80509-6
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Copper(II) nitrate trihydrate has been successfully dehydrated in lithium nitrate-potassium nitrate eutectic at 140°C. At 300°C it commenced reaction as a Lux-Flood acid precipitating copper(II) oxide. With potassium iodide it reacted at 140°C to form copper(I) iodide and iodine but at 180°C the insoluble product was a mixture of copper(I) iodide and copper(II) oxide. With powdered silver a violent reaction occurred at 160°C, yielding silver(I) cations, nitrogen dioxide and copper(II) oxide. The stoichiometries of these reactions have been established and some reaction pathways suggested. Metallic silver was found to react to a much larger extent with a Lux-Flood acid (pyrosulphate) in solution than with nitrogen dioxide giving support to the nitryl cation as the acidic species in nitrate melts. © 1979.
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页码:181 / 184
页数:4
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