The Extraction and Complexes of Silver with 1,2-Bis[alkyl(aryl)thio] ethane

Abstract

Abstract: In this paper the extraction of silver with RSCH₂CH₂SR(L)[R=n-C₃H₇(BPrTE),n-C₅H₁₁(BATE), n-C₈H₁₇(BOTE), C₆H₅(BPTE)] is studied. The effects of concentration of nitric acid, diluent and Rgroup on the extraction are discussed. It is found that silver can be quantitatively extracted from large amount of common metals and chloride in nitric acid medium. The study on the solution complexes and the analyses of solid and liquid complexes indicate that the composition of complexes is in ratio Ag : L=2. 5=1, 2 : 1, 3 : 2, 1 : 1, 2 : 3 and 1 : 2.

Key words: Dithioether, Silver, Extraction, Complex

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Shao Pin-xi, Yao Xin-kan, Wang Hong-gen, Wang Wen-hu, Liu Bin, Li Mei, Luo Li-wen, Xu De-he . The Extraction and Complexes of Silver with 1,2-Bis[alkyl(aryl)thio] ethane[J]. Chem. J. Chinese Universities, 1991, 12(2): 143.

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The Extraction and Complexes of Silver with 1,2-Bis[alkyl(aryl)thio] ethane

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