Spin Coated Hexaammineruthenium(III)/Nafion/ITO electrodes for the Determination of Lead(II) and Cadmium(II) via Anodic Stripping Voltammetry

Spin Coated Hexaammineruthenium(III)/Nafion/ITO electrodes for the Determination of Lead(II) and Cadmium(II) via Anodic Stripping Voltammetry

Shirley T. Palisoc Kevin Anthony Y. Kaw Michelle T. Natividad Julita C. Robles

Condensed Matter Laboratory, Physics Department, De La Salle University, 2401 Taft Avenue, Manila 0922, Philippines

Chemistry Department, De La Salle University, 2401 Taft Avenue, Manila 0922, Philippines

Condensed Matter Research Unit, Center for Natural Science and Environmental Research, College of Science, De La Salle University, 2401 Taft Avenue, Manila 0922, Philippines

 

Page: 
77-82
|
DOI: 
https://doi.org/10.14447/jnmes.v20i2.301
Received: 
15 December 2016
| |
Accepted: 
3 May 2017
| | Citation
Abstract: 

Hexaammineruthenium (III) [Ru(NH3)6]3+-Nafion®-isopropanol diluted films were spin coated on indium tin oxide (ITO)-coated glass substrates. The fabricated samples were used to determine the presence of lead and cadmium in solution using anodic strip-ping voltammetry (ASV). The calibration sensitivity of the electrodes for lead and cadmium were approximately equal. Detection limits of 5ppb and 4ppb were determined for lead and cadmium respectively. Real sampling tests with commercially available yellow water color yielded 0.7106 ppm of Pb with ASV. The result was verified with atomic absorption spectrometry (AAS) which yielded 0.6923ppm of Pb.

Keywords: 

nafion, stripping voltammetry, spin coat, modified electrode, RuHex

1. Introduction
2. Methodology
3. Results and Discussion
4. Conclusions
5. Acknowledgement
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