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Citation: WANG Yi Ge, LI De-Qian, JIN Mu-Jun, LI Chao-Zhong. Extraction of Metal Ions with sec-Nonylphenoxy Acetic Acid[J]. Chinese Journal of Applied Chemistry, ;2002, 19(5): 425-427. shu

Extraction of Metal Ions with sec-Nonylphenoxy Acetic Acid

1.
a Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022;
2.
b Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai

Corresponding author: LI De-Qian,
Received Date: 9 November 2001
Available Online: 24 January 2002
Fund Project: 国家重点基础研究发展规划项目(G1998061301) (G1998061301)国家自然科学基金项目(2977102829801004) (2977102829801004)

The extraction behavior of metal ions including Eu³⁺, Zn²⁺, Cd²⁺, Co²⁺, Ni²⁺, Cu²⁺, Mn²⁺, Mg²⁺ from hydrochloric acid solutions have been investigated using a novel extractant, sec-nonylphenoxy acetic acid(HA), in n-heptane. The effects of equilibrium acidity in aqueous phase and extractant concentration on extraction equilibrium have been studied in detail and the extraction equations have been deduced based on slope analysis of lg D vs pH and lg D-n pH vs lg. At suitable pH values, Eu³⁺ can be effectively separated from Cu²⁺, Co²⁺, Ni²⁺, Zn²⁺, Cd²⁺, Mn²⁺ and Mg²⁺, Co²⁺ from Ni²⁺, and Zn²⁺ from Cd²⁺.
- sec-nonylphenoxy acetic acid,
- Eu³⁺,
- divalent metal ion,
- extraction
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