简介概要

Sorption behavior of iminodiacetic acid resin for indium

来源期刊:Rare Metals2008年第2期

论文作者:XIONG Chunhua YAO Caiping Department of Applied Chemistry,Zhejiang Gongshang University,Hangzhou ,China

文章页码:153 - 157

摘    要:<正>In(Ⅲ) was quantitatively adsorbed by iminodiacetic acid resin (IDAAR) in the medium of pH=4.52.The statically saturated sorption capac- ity of IDAAR is 235.5 mg·g-1.1.0 mol·L-1 HCl can be used as an eluant.The elution efficiency is 97.9%.The resin can be regenerated and reused without apparent decrease of sorption capacity.The sorption rate constant is k298=1.94×10-5s-1.The apparent sorption activation energy of IDAAR for In(Ⅲ) is 20.1 kJ·mol-1.The sorption behavior of IDAAR for In(Ⅲ) obeys the Freundlich isotherm.The enthalpy change is AH=17.2 kJ·mol-1.

详情信息展示

Sorption behavior of iminodiacetic acid resin for indium

XIONG Chunhua YAO Caiping Department of Applied Chemistry,Zhejiang Gongshang University,Hangzhou 310035,China

摘 要:<正>In(Ⅲ) was quantitatively adsorbed by iminodiacetic acid resin (IDAAR) in the medium of pH=4.52.The statically saturated sorption capac- ity of IDAAR is 235.5 mg·g-1.1.0 mol·L-1 HCl can be used as an eluant.The elution efficiency is 97.9%.The resin can be regenerated and reused without apparent decrease of sorption capacity.The sorption rate constant is k298=1.94×10-5s-1.The apparent sorption activation energy of IDAAR for In(Ⅲ) is 20.1 kJ·mol-1.The sorption behavior of IDAAR for In(Ⅲ) obeys the Freundlich isotherm.The enthalpy change is AH=17.2 kJ·mol-1.

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