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Citation: Chai Jinling, Li Wenhua. EXTRACTION OF Au (Ⅲ)WITH TRIOCTYLAMINE[J]. Chinese Journal of Applied Chemistry, ;1993, 10(3): 100-101. shu

EXTRACTION OF Au (Ⅲ)WITH TRIOCTYLAMINE

Chai Jinling ,
Li Wenhua

1.
Department of Chemistry, Shandong Normal University, 250014 Jinan

Received Date: 8 May 1992
Available Online: 27 September 1992

The extraction of Au (Ⅲ) with trioctylamine (TOA) in carbon tetrachloride from hydrochloride medium has been studied. The mechanism of the extraction is proposed as follows: AuCl₄^-+(m+1)TOAH⁺Cl_(O)^-TOAH⁺AuCl₄^-·mOAH⁺Cl_(O)^-+Cl^- where (O) represents the organic phase, m=0,1,and logK₀=4.23, logK₁=8.67.
- gold,
- extraction,
- trioctylamine
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