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Ag nanoparticles drop-casting modification of screen-printed electrodes for the simultaneous voltammetric determination of Cu(II) and Pb(II)

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Pérez Ràfols, Clara
Bastos Arrieta, Julio AlonsoMés informació
Serrano, Núria
Díaz Cruz, José Manuel
Ariño, Cristina
Pablo Ribas, Joan deMés informacióMés informacióMés informació
Esteban, Miquel
Document typeArticle
Defense date2017-06-21
PublisherMDPI AG
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
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.
CitationPérez, C., Bastos-Arrieta, J., Serrano, N., Díaz, J., Ariño, C., Pablo, J., Esteban, M. Ag nanoparticles drop-casting modification of screen-printed electrodes for the simultaneous voltammetric determination of Cu(II) and Pb(II). "Sensors", 21 Juny 2017, vol. 17, núm. 6. 
URIhttp://hdl.handle.net/2117/107795
DOI10.3390/s17061458
ISSN1424-8220
Publisher versionhttp://www.mdpi.com/1424-8220/17/6/1458
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  • SETRI - Grup de Tècniques de Separació i Tractament de Residus Industrials - Articles de revista [186]
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