R. A. Oliveira, M. Zanoni
Nov 1, 2013
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Journal
Electroanalysis
Abstract
Self-organized Ti/TiO2 nanotubular array electrodes were prepared by electrochemical anodization and used to monitor the reduction of the hair dye basic brown 17 (BB17) at a potential of −0.60 V vs. Ag/AgCl. Analytical curves were obtained from 1.0×10−6 to 8.0×10−5 mol L−1 with a detection limit of 1.3×10−7 mol L−1 by using the best experimental conditions, linear scan voltammetry at pH 6, scan rate=60 mV s−1, and accumulation time=5 min. The detection system performance was not interfered by other hair dyes and successfully used to determine the dye in tap water samples.