Multielemental Elution Behavior of Metal Ions Adsorbed on Iminodiacetic Acid Chelating Resin by Using Hydrogen Peroxide as an Eluent

• YABUTANI Tomoki

  Department of Life System, Institute of Technology and Science, The University of Tokushima

• SUMI Hidehiko

  Department of Earth and Life Environmental Engineering, Graduate School of Advanced Technology and Science, The University of Tokushima

• NAKAMURA Takamasa

  Department of Earth and Life Environmental Engineering, Graduate School of Advanced Technology and Science, The University of Tokushima

• AKATSUKI Shinsuke

  Department of Earth and Life Environmental Engineering, Graduate School of Advanced Technology and Science, The University of Tokushima

• THUY Le Thi Xuan

  Department of Earth and Life Environmental Engineering, Graduate School of Advanced Technology and Science, The University of Tokushima

Abstract

In the present work, we investigated the multielemental elution behavior of metal ions absorbed on iminodiacetic acid (IDA) chelating resin by using hydrogen peroxide (H₂O₂) as an eluent. As a result, V(V), Mo(VI), W(VI), Nb(V) and Ta(V) were efficiently eluted by H₂O₂. In contrast, other metal ions were rarely recovered. The oxidation states of V(V), Mo(VI), and W(VI) were not changed through the H₂O₂ eluting process, checked by X-ray photoelectron analysis. In addition, the UV-vis adsorption spectra and IR spectra of V(V), Mo(VI) and W(VI) in the H₂O₂ eluent suggested the formation of metal-peroxo complexes through H₂O₂ elution. The desorption of these metal ions from IDA functional groups is explained in term of destabilization along with the coordination of peroxo-ligands to the V(V)-, Mo(VI)- and W(VI)-IDA complexes, and a decrease in the adsorption capacity by electrostatic repulsion between dissociated carboxylic groups of IDA and the oxoanions in the neutral pH shown in 30 wt% H₂O₂. When this method was applied to the selective separation of V(V), Mo(VI) and W(VI) from other metals in an acid soluble fraction of fly-ash, 83.4 ± 2.5% of V(V), 88.1 ± 3.3% of Mo(VI), and 69.3 ± 5.4% of W(VI) were recovered in a 30 wt% H₂O₂ eluent.

Journal

• Analytical Sciences

  Analytical Sciences 28 (5), 463-468, 2012

  The Japan Society for Analytical Chemistry

Keywords

• Analytical Chemistry

Details

• CRID: 1390282679238765056
• NII Article ID: 10030757385
• NII Book ID: AA10500785
• DOI: 10.2116/analsci.28.463
• COI: 1:STN:280:DC%2BC38jgslyluw%3D%3D
• ISSN: 13482246
• ISSN: 09106340
• NDL BIB ID: 023613911
• PubMed: 22687925
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I023613911
• Web Site: https://link.springer.com/content/pdf/10.2116/analsci.28.463.pdf
• Web Site: https://link.springer.com/article/10.2116/analsci.28.463/fulltext.html
• Web Site: https://www.jstage.jst.go.jp/article/analsci/28/5/28_463/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • PubMed
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed