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Revista Colombiana de Ciencias Químico - Farmacéuticas
versión impresa ISSN 0034-7418
Resumen
TKACH, Volodymyr V. et al. The mathematical description for the electroanalytical action of Ni-containing nanoparticles by quantitative and qualitative methanol determination. Rev. colomb. cienc. quim. farm. [online]. 2015, vol.44, n.1, pp.5-15. ISSN 0034-7418. https://doi.org/10.15446/rcciquifa.v44n1.54233.
In this work, the mathematical model for the electroanalytical action of Ni-containing nanoparticles (by themselves and in a composite with a conducting polymer) in electrochemical qualitative and quantitative methanol detection in alkaline media is developed and analyzed by using of linear stability theory and bifurcation analysis. By the mathematical modeling, the steady-state stability conditions (the most exact sensing action requirements) and the causes for oscillatory and monotonic instabilities are derived. The result of the modeling is compared with the experimental data.
Palabras clave : electrochemical sensors; methanol; nickel-containing nanoparticles; conducting polymers and composites; stable steady-state..