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A simplified extractive metallurgy exercise to demonstrate selective extraction of copper

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IAS_Copper_2_FINAL_.pdf (369.5Kb)
Date
14/04/2020
Author
Smellie, Iain
Abdelhamid, Yusra
Carpenter-Warren, Cameron Lewis
Cordes, David Bradford
Elliott, Clement
Lamorte, Sarah
Patterson, Iain
Sanders, William
Sandison, Iain P.
Slawin, Alexandra Martha Zoya
Stewart, Dominic M.
Walters, Samuel N.
Keywords
High School/Introductory Chemistry
First-Year Undergraduate/General
Interdisciplinary/Multidisciplinary
Laboratory Instruction
Hands-On Learning/Manipulatives
Problem Solving/Decision Making
Applications of Chemistry
Coordination Compounds
Metallurgy
Qualitative Analysis
UV−Vis Spectroscopy
QD Chemistry
DAS
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Abstract
A laboratory activity is described for senior high school or 1st year undergraduate level students that illustrates key concepts linked to extractive metallurgy. This experiment demonstrates preferential binding of a methoxyphenolic oxime ligand to Cu2+ in the presence of other transition metal ions in aqueous solution. The students are tasked to investigate the importance of the spatial relationship between the oxime and phenol group of two potential ligands by performing a series of short and simple tests. The objective is achieved by identifying which methoxyphenolic oxime ligand selectively and rapidly forms an isolable precipitate with Cu2+ ions. Only one of the potential ligands exhibits a clear preference for binding to Cu2+ and this can easily be identified visually (and confirmed by UV-visible spectroscopy if desired). The experiment has successfully been employed as part of an extracurricular laboratory course involving groups of 25-30 high school students.
Citation
Smellie , I , Abdelhamid , Y , Carpenter-Warren , C L , Cordes , D B , Elliott , C , Lamorte , S , Patterson , I , Sanders , W , Sandison , I P , Slawin , A M Z , Stewart , D M & Walters , S N 2020 , ' A simplified extractive metallurgy exercise to demonstrate selective extraction of copper ' , Journal of Chemical Education , vol. 97 , no. 4 , pp. 1203-1207 . https://doi.org/10.1021/acs.jchemed.9b00996
Publication
Journal of Chemical Education
Status
Peer reviewed
DOI
https://doi.org/10.1021/acs.jchemed.9b00996
ISSN
0021-9584
Type
Journal article
Rights
Copyright © 2020 American Chemical Society and Division of Chemical Education, Inc. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1021/acs.jchemed.9b00996
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/21439

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