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Green Synthesized Cobalt Nano Particles for using as a Good Candidate for Sensing Organic Compounds
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 Title & Authors
Green Synthesized Cobalt Nano Particles for using as a Good Candidate for Sensing Organic Compounds
Siada, S. O. Ranaei;
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In this work electrochemical oxidation of Ascorbic acid (AA) on the surface of Cobalt nano particle modified carbon paste electrode (CoNPsMCPE) was studied in alkaline media. CoNPs were green synthesized using Piper longum and a mixture of 5% (w/w) of it were made with carbon paste. CoNPs showed good electrocatalytic activity in alkaline media. Cyclic voltammetry (CV) and chronoamperometry (CA) were used to study the electrochemical performance of CoNPsMCPE. The number of monolayers on the surface of electrode was calculated as 1.08×109 mol cm−2 that is equal to that of metal Cobalt electrode. Diffusion coefficient of AA was determined using CA analysis which was equal to 1.5×10−6cm2 s−1.
Green synthesis;Cobalt nanoparticles;Ascorbic acid;Carbon paste electrode;Alkaline media;
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