Journal
ELECTROANALYSIS
Volume 27, Issue 9, Pages 2214-2220Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.201500156
Keywords
Acetominophen; Carbon Black; Nanoparticles; Simultaneous determination; Vulcan VXC72R
Categories
Funding
- FAPESP
- CNPq
- CAPES
- Sao Paulo Research Foundation (FAPESP) [2014/07919-2, 2013/16770-0]
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [14/07919-2] Funding Source: FAPESP
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In this work, a simple and highly selective voltammetric method was developed for the simultaneous determination of paracetamol (PCT) and codeine (COD) in pharmaceuticals and human body fluids employing a glassy carbon electrode modified with carbon black (CB) and nickel oxide nanoparticles (NiONPs) within a dihexadecylphosphate (DHP) film. Using square-wave voltammetry (SWV), a separation of ca. 550 mV between the oxidation peak potentials of PCT and COD was obtained. The simultaneous determination of PCT and COD presented a linear concentration range from 3.0 to 47.8 mu mol L-1 for PCT and from 0.83 to 38.3 mu mol L-1 for COD.
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