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29 p, 1.2 MB Voltammetric electronic tongue based on carbon paste electrodes modified with biochar for phenolic compounds stripping detection / Kalinke, Cristiane (Universidad Federal de Paraná. Departamento de Química) ; de Oliveira, Paulo Roberto (Universidad Federal de Paraná. Departamento de Química) ; Bonet-SanEmeterio, Marta (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química) ; Salvio Mangrich, Antonio (Universidad Federal de Paraná. Departamento de Química) ; Humberto Marcolino, Luiz (Universidad Federal de Paraná. Departamento de Química) ; Bergamini, Márcio F. (Universidad Federal de Paraná. Departamento de Química)
Biochar is a charcoal produced from the biomass pyrolysis process that presents a highly porous and functionalized surface. In the present work an array of carbon paste electrodes (CPE) made of different forms of carbon (graphite, carbon nanotubes and activated biochar) was evaluated in the development of an electronic tongue for discrimination and stripping voltammetric determination of catechol (CAT), 4-ethylcatechol (4-EC) and 4-ethylguaiacol (4-EG) phenolic compounds. [...]
2019 - 10.1002/elan.201900072
Electroanalysis, Vol. 31, issue 11 (Nov. 2019) , p. 2238-2245  

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