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Electrochemical Behavior of Eriochrome Red B Using Graphite and Modified Graphite Electrodes | ||
| Rafidain Journal of Science | ||
| Article 4, Volume 24, Issue 4, 2013, Pages 36-49 PDF (0 K) | ||
| DOI: 10.33899/rjs.2013.71020 | ||
| Authors | ||
| Amer Th. Al-Taee; Haif N. Al- Jomard | ||
| Abstract | ||
| The electrochemical behavior of Eriochrome Red B (ERB) using square wave voltammetry (SWV) with three electrodes cell was studied. The cell consists of working electrodes, either graphite electrode (GE) or Poly ERB-graphite electrode (poly ERB – GE), auxiliary electrode (2mm pt wire) and reference electrode (Ag/AgCl . sat.KCl). The ERB gives two reduction peaks at GE and Poly ERB- GE, one at -0.194 V, second at 0.068 V for GE and at -0.561V, 0.203 V for Poly ERB-GE. The effect of pH on the reduction peaks of ERB at the two electrodes (GE and poly ERB-GE ) was studied. | ||
| Keywords | ||
| Eriochrome Red B; Graphite Electrode; Poly ERB; Square wave voltammetry; Azo Dye | ||
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