Hu Xiao-ya
2011
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Journal
Journal of Analytical Science
Abstract
A modified electrode was fabricated by means of electrodeposition dihydralazine sulfate on the glass carbon electrode in 1.0 mol/L H2SO4 containing dihydralazine sulfate.The as-prepared electrode showed the ability to catalyze the reduction of H2O2.The effects of assay conditions on performances of the hydrogen peroxide sensor were studied.Under a certain applied potential of-0.3 V,the response current was linear with the concentration of H2O2 ranging from1.94×10-5 to 1.05×10-3 mol·L-1.The modified electrode was easily prepared and could be used for a long time.It was used for the analysis of real samples containing hydrogen peroxide with satisfactory result.