The Pocket Effect of Extraction of Iron(Ⅲ) from Sulphuric Acid Solution with Primary Amine N1923

Abstract

Abstract: The extraction of iron(Ⅲ) from sulfuric acid media by primary amine N1923 was investigated. The pocket effect was proposed for the first time by using IRspectra and TEM. When the concentration of extractant reached to 0.05 mol/L, primary amine N1923 formed the spherical reversed micelle, which could improve the distribution coefficient of extraction greatly, and the pocket effect emerged. The whole action of extraction contained the two kinds of mechanism, ionic complex extraction and micelle solubilization, the extraction equation can be showed as follows: D=K₁c(N1923)+K₂c^m(N1923)

Key words: Pocket effect, Reversed micelle, Extraction, Primary amine N1923, Iron

CLC Number:

O652

TrendMD:

LI Xue-Mei, YANG Yong-Hui, SHAO Hua, SUN Si-Xiu, LIU Zhao-Ping, ZHONG Hong-Mei . The Pocket Effect of Extraction of Iron(Ⅲ) from Sulphuric Acid Solution with Primary Amine N1923[J]. Chem. J. Chinese Universities, 2001, 22(1): 59.

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The Pocket Effect of Extraction of Iron(Ⅲ) from Sulphuric Acid Solution with Primary Amine N1923

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