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Citation: Gai Huifa, Sun Sixiu, Gao Zili, Shen Jinglan. STUDIES ON THE EXTRACTION CHEMISTRY OF PALLADIUM Ⅰ. ON THE EXTRACTION EQUILIBRIUM OF PALLADIUM(Ⅱ) WITH QUATERNARY AMMONIUM SALT N₂₆₃[J]. Chinese Journal of Applied Chemistry, ;1986, 3(4): 30-34. shu

STUDIES ON THE EXTRACTION CHEMISTRY OF PALLADIUM Ⅰ. ON THE EXTRACTION EQUILIBRIUM OF PALLADIUM(Ⅱ) WITH QUATERNARY AMMONIUM SALT N₂₆₃

1.
Department of Chemistry, Shangdong University, Jinan

Received Date: 22 August 1985
Available Online: 28 December 1985
Fund Project:

The extraction of palladium(Ⅱ) with quaternary ammonium salt N₂₆₃ in n-octane from hydrochloric acid medium has been studied at 25±1℃. The experimental results indicate that the extraction is an anion exchange process:HPdCl₄⁼+ACl_(o)=AHPdCl_4(o)+Cl (Ⅰ) PdCl₄^2-+2ACL_(o)=A₂PdCl_4(o)+2Cl^- (Ⅱ) where ACl and (O) represent N₂₆₃ and organic phase respectively. Equation(Ⅰ) takes place at higher acidity but with the lowering of the acidity,equation(Ⅱ) becomes predominant.The experimental results also show that the dimer species of Pd(Ⅱ) is formedin the organic phase with the increasing of Pd(Ⅱ)in it.The influences of temperature and added (n-octanol) on the extraction of Pd(Ⅱ) were also discussed.
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STUDIES ON THE EXTRACTION CHEMISTRY OF PALLADIUM Ⅰ. ON THE EXTRACTION EQUILIBRIUM OF PALLADIUM(Ⅱ) WITH QUATERNARY AMMONIUM SALT N263

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STUDIES ON THE EXTRACTION CHEMISTRY OF PALLADIUM Ⅰ. ON THE EXTRACTION EQUILIBRIUM OF PALLADIUM(Ⅱ) WITH QUATERNARY AMMONIUM SALT N₂₆₃