Determination of copper(II) based on its inhibitory effect on the cathodic electrochemiluminescence of lucigenin
Microchimica Acta, ISSN: 1436-5073, Vol: 184, Issue: 3, Page: 693-697
2017
- 10Citations
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Article Description
A simple method is described for the determination of copper(II) ions based on the cathodic electrochemiluminescence (ECL) of lucigenin which is quenched by Cu(II). The blue ECL is best induced at −0.45 V (vs. Ag/AgCl) at a scan rate of 50 mV·s. Under optimum conditions, the calibration plot is linear in the 3.0 to 1000 nM Cu(II) concentration range. The limit of detection is 2.1 nM at a signal-to-noise ratio of 3. Compared to other analytical methods, the one presented here is simple, fast, selective and cost-effective. It has been successfully applied in the analysis of copper ions in spiked tap water samples with recoveries ranging from 93.0% (at 50 nM concentration) to 105.7% (at 150 nM). [Figure not available: see fulltext.]
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85006780388&origin=inward; http://dx.doi.org/10.1007/s00604-016-2054-6; http://link.springer.com/10.1007/s00604-016-2054-6; http://link.springer.com/content/pdf/10.1007/s00604-016-2054-6.pdf; http://link.springer.com/article/10.1007/s00604-016-2054-6/fulltext.html; https://dx.doi.org/10.1007/s00604-016-2054-6; https://link.springer.com/article/10.1007/s00604-016-2054-6
Springer Nature
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