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The electrochemical detection of H 2 O 2 was investigated on a cobalt oxide nanoparticles modified glassy carbon electrode in phosphate buffer solution (pH 7). Cyclic voltammetry at potential range −1.1 to 1.1V from CoCl 2 natural aqueous solution produced well defined cobalt oxide nanopaparticles deposited on the surface of glassy carbon electrode. The surface of resulting...
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