A study of palladium recovery with thiourea from nitric acid solutions

被引：6
|
作者：
Tikhomirova, V. I. [1 ]
Desyatova, T. A. [1 ]
Suvorova, V. A. [1 ]
机构：
[1] Russian Acad Sci, Inst Expt Mineral, Moscow, Russia
来源：
RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2007年 / 80卷 / 10期
关键词：
D O I：
10.1134/S1070427207100059
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Interaction in the system Pd(II)-HNO3-SC(NH2)(2) was studied. It was shown that the precipitates formed, which have various compositions and solubilities, contain palladium(II) and thiourea conversion products. Elemental, X-ray diffraction, and atomic-adsorption analyses and IR and electronic absorption spectroscopies were applied to demonstrate the possibility of virtually quantitative precipitation of palladium(II) under certain conditions in the form of a poorly soluble precipitate Pd-2(CN)(4)center dot H2O.
引用
收藏
页码：1636 / 1642
页数：7
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