Skeletal nickel based 6 layers platinum nanoparticles electrode with catalytic effect for anodic oxidation of sulphite in alkaline solution

In this paper, anodic oxidation of sulphite ions on skeletal nickel based 6 layers platinum nanoparticles electrode (Nisk – Pt6layers) in aqueous alkaline solution was investigated by cyclic voltammetry and linear polarization. The present research is essential to understand the mechanism of reaction on this electrode. The preliminary results presented in experimental part confirm the high catalytic activity of Nisk – Pt6layers for sulphite electrooxidation process and offer the possibility to use this type of electrodes in alkaline fuel cells

Corrosion studies of copper electrodes in acidic medium in the presence of N,N-dimethylaniline

In this work, the influence of N,N-dimethylaniline (DMA) as inhibition agent for copper corrosion process has been studied. The electrochemical behaviour of DMA on platinum and copper electrodes in acid solutions has been analyzed by cyclic voltammetry. Inhibitory properties of DMA for copper corrosion protection were studied in 0.5 M H2SO4 solutions in the presence of different concentrations of inhibitor 10-6 M and 10-3 M, respectively. The morphology of copper samples obtained in the absence and presence of DMA has been studied by scanning electron microscopy (SEM)

Anodic oxidation of sulphite ions on smooth nickel based layer platinum nanoparticles in alkaline solution

In this paper, nickel based 1 layer platinum nanoparticles electrode (Ni-Pt1layer), prepared by spray-pyrolysis technique, it has been tested in order to obtain a complete characterization for the process of anodic oxidation of sulphite to sulphate in alkaline media. This process was investigated by cyclic voltammetry technique and linear polarization. The present study concerns the preliminary evaluation of electrocatalytic properties for this type of electrode toward the electrochemical oxidation of sulphite

Electrochemical oxygen intake/release process over YBaCo2Fe2O7.5 electrodes in aqueous solutions

The present study proves that YBaCo2Fe2O7.5 perovskite has high performance for oxygen storage capacity in aqueous solutions by electrochemical oxidation. This perovskite is a promising candidate for applications requiring efficient oxide ion conductivity or large oxygen storage capacity is. The oxygen intake/release propriety of YBaCo4O7 has been studied by cyclic voltammetry and chronoamperometry in alkaline and neutral aqueous electrolytes

Studies on the possibility of using expired ceftriaxone drug as additive in acid electroplating baths

In this paper, preliminary data obtained using ceftriaxone (CEFTR) as additive in copper and nickel electrodeposition from acid baths are presented. Electrochemical behaviour of ceftriaxone and introductory information about the way its presence in the metalselectrodeposition bath influences the electrode processes have been obtained by cyclic voltammetry on platinum electrode. Inhibitory effect of ceftriaxone in the electrolyte solutions used in copper and nickel deposition processes was studied by linear voltammetry

Recycling of expired drugs as additive in a Watts Nickel electroplating bath

Iact In this paper are presented studies on the leveling effect of midazolam {8 - chloro - 6 - (2 - fluorophenyl) - 1 - methyl - 4H - imidazo[1,5-a][1,4]benzodiazepine}, and streptomycin {5 - (2,4 - diguanidino - 3,5,6 - trihydroxy- cyclohexoxy)- 4 -[4,5- dihydroxy - 6 - (hydroxymethyl) - 3 - methylamino- tetrahydropyran - 2 - yl]oxy - 3 - hydroxy - 2 - methyl- tetrahydrofuran - 3 - carbaldehyd}, in a Watts nickel electroplating bath, manifested by the increase of cathode polarization. These drugs were chosen because their pharmaceutical formulation of the commercial product contains only pure compound, without excipients

Skeletal nickel electrode with catalytic effect for ethanol electrooxidation in alkaline media

The aim of this investigation is to examine ethanol anodic oxidation on a skeletal nickel electrode in aqueous alkaline solution (1 mol L-1 NaOH). Electrocatalytic activity for ethanol anodic oxidation becomes a serious issue, especially due to the utilization of skeletal nickel electrodes in fuel cells. In order to understand the oxidation mechanism on the surface of these types of electrodes, comprehensive researches were necessary. Electrochemical behavior has been studied by cyclic and linear voltammetry

Skeletal nickel based 6 layers platinum nanoparticles electrode with catalytic effect for ethanol electrooxidation in alkaline media

In this paper, preliminary aspects of ethanol electrocatalytic oxidation on skeletal nickel based 6 layers platinum nanoparticles electrode in aqueous alkaline solution have been investigated using voltammetric studies. Ethanol oxidation reaction (EOR) was studied by cyclic and linear voltammetry