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http://hdl.handle.net/2445/113013
Title: | Ag nanoparticles drop-casting modification of screen-printed electrodes for the simultaneous voltammetric determination of Cu(II) and Pb(II) |
Author: | Pérez Ràfols, Clara Bastos-Arrieta, Julio Serrano i Plana, Núria Díaz Cruz, José Manuel Ariño Blasco, Cristina Pablo, Joan de Esteban i Cortada, Miquel |
Keywords: | Nanopartícules Argent Ions metàl·lics Anàlisi electroquímica Nanoparticles Silver Metal ions Electrochemical analysis |
Issue Date: | 21-Jun-2017 |
Publisher: | MDPI |
Abstract: | A new silver nanoparticle modified screen-printed electrode was developed and applied to the simultaneous determination of Pb(II) and Cu(II). Two different types of silver nanoparticles with different shapes and sizes, Ag nanoseeds and Ag nanoprisms, were microscopically characterized and three different carbon substrates, graphite, graphene and carbon nanofibers, were tested. The best analytical performance was achieved for the combination of Ag nanoseeds with a carbon nanofiber modified screen-printed electrode. The resulting sensor allowed the simultaneous determination of Pb(II) and Cu(II) at trace levels and its applicability to natural samples was successfully tested with a groundwater certified reference material, presenting high reproducibility and trueness. |
Note: | Reproducció del document publicat a: https://doi.org/10.3390/s17061458 |
It is part of: | Sensors, 2017, vol. 17, num. 6, p. 1458 -1469 |
URI: | http://hdl.handle.net/2445/113013 |
Related resource: | https://doi.org/10.3390/s17061458 |
ISSN: | 1424-8220 |
Appears in Collections: | Articles publicats en revistes (Enginyeria Química i Química Analítica) |
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672493.pdf | 3.29 MB | Adobe PDF | View/Open |
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