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cu2+, fe2+ and fe3+ analysis of bioleaching solutions using chronoamperometry and bdd electrode

Vepsäläinen, M, Chen, M, Yang, Y, Rossau, Rachel and Muster, T 2014, cu2+, fe2+ and fe3+ analysis of bioleaching solutions using chronoamperometry and bdd electrode, Journal of Applied Electrochemistry, vol. 44, no. 10, pp. 1135-1143, doi: 10.1007/s10800-014-0739-2.

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Title cu2+, fe2+ and fe3+ analysis of bioleaching solutions using chronoamperometry and bdd electrode
Author(s) Vepsäläinen, M
Chen, M
Yang, Y
Rossau, Rachel
Muster, T
Journal name Journal of Applied Electrochemistry
Volume number 44
Issue number 10
Start page 1135
End page 1143
Total pages 9
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2014-10
ISSN 0021-891X
1572-8838
Keyword(s) Acid mine drainage
Bioleaching
Borondoped diamond
Chronoamperometry
Summary In this work, a boron-doped diamond (BDD) electrodewas evaluated for the electroanalytical determination of millimolar concentrations of Cu2+, Fe2+ and Fe3+ using chronoamperometry. The interfering role that each ion plays on the quantitative determination of other metal ion concentrations was also assessed. No interference from other metal ions was observed when Fe3+ and Fe2+ were analysed. By contrast, reduction of Fe3+ took place at the same potential where [Cu2+] was measured causing a minor interference to the Cu2+ signal. A multiple linear regression (MLR) calibration model was made for each analyte using real bioleaching samples, which demonstrated high coefficients of determination and adequate standard errors. The methods developedwere used tomonitorbioleaching of chalcopyrite for 4 months. The electroanalytical methods are particularly well-suited for analysing Cu2+, Fe3+ and Fe2+ concentration in acidic mine drainage (AMD) and bioleaching environments.
Language eng
DOI 10.1007/s10800-014-0739-2
Field of Research 0306 Physical Chemistry (Incl. Structural)
0904 Chemical Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©Springer Science+Business Media Dordrecht 2014
Persistent URL http://hdl.handle.net/10536/DRO/DU:30091745

Document type: Journal Article
Collections: School of Engineering
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