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Title of Journal: J Solid State Electrochem

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Abbravation: Journal of Solid State Electrochemistry

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Springer-Verlag

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1433-0768

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An amperometric sensor for hydrazine based on nano

Authors: Zhaojing Yin Liping Liu Zhousheng Yang
Publish Date: 2010/08/10
Volume: 15, Issue: 4, Pages: 821-827
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Abstract

A sensitive hydrazine sensor has been fabricated using copper oxide nanoparticles modified glassy carbon electrode GCE to form nanocopper oxide/GCE The nanocopper oxide was electrodeposited on the surface of GCE in CuCl2 solution at −04 V and was characterized by Scanning electron microscopy and Xray diffraction The prepared modified electrode showed a good electrocatalytic activity toward oxidation of hydrazine The electrochemical behavior of hydrazine on nanocopper oxide/GCE was explored The oxidative current increased linearly with improving concentration of hydrazine on nanocopper oxide/GCE from 01 to 600 μM and detection limit for hydrazine was evaluated to be 003 μM at a signaltonoise ratio of 3 The oxidation mechanism of hydrazine on the nanocopper oxide/GCE was also discussed The fabricated sensor could be used to determine hydrazine in real water

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