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Citation: YANG Ke-Er, CHEN Zhang-Rong, TONG Shan-Ling, YAN Yan. Enrichment of Trace Copper Ions by Emulsion Membrane and Its Analysis by Atomic Absorption[J]. Chinese Journal of Applied Chemistry, ;2005, 22(5): 543-547. shu

Enrichment of Trace Copper Ions by Emulsion Membrane and Its Analysis by Atomic Absorption

1.
Department of Chemistry, Shantou University, Shantou 515063

Corresponding author: YANG Ke-Er,
Received Date: 12 July 2004
Available Online: 22 December 2004

Trace amount of copper ions in water was enriched and separated via emulsion membrane,and an atomic absorption spectrophotometry (AAS) method was established for the analysis of the copper ions.The influences of different conditions to the process of enrichment and separation by emulsion membrane are discussed in detail.The experimental results indicate that the copper ions in water can be efficiently enriched and separated by emulsion liquid membrane in the presence of higher concentrations of other heavy metal ions,such as Pb²⁺,Cd²⁺,and Cr²O⁷^2-.
- copper ion,
- emulsion membrane,
- separation,
- enrichment,
- atomic absorption spectrophotometry
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