@article{article_97377, title={Electrochemical Reduction of Phenazopyridine Hydrochloride in Dimetyl Sulfoxide}, journal={Gazi University Journal of Science}, volume={25}, pages={53–58}, year={2012}, author={Yılmaz, Selehattin and Yagmur, Sultan}, keywords={Phenazopypridine hydrochloride, Dimetyl sulfoxide, Glassy carbon electrode, Voltammetry}, abstract={<p class="Default" style="margin:0cm 0cm 0pt 35.4pt;"> <span lang="en-us" xml:lang="en-us">In the present work, the electrochemical reduction of phenazopyridine hydrochloride (PAP) was carried out on glassy carbon (GCE) electrode in different supporting electrolyte/solvent systems by cyclic voltammetric (CV) technique. The best results for PAP were obtained in </span> <span lang="en-us" xml:lang="en-us">0.1 M </span> <span lang="en-us" xml:lang="en-us"> </span> <a href="http://www.google.com.tr/search?hl=tr&ei=S-nrS57ME8KNOI2vnZII&sa=X&oi=spell&resnum=0&ct=result&cd=1&ved=0CBUQBSgA&q=tetrabutyl+ammonium+iodide&spell=1"> <span lang="en-us" xml:lang="en-us">tetrabuty <span>ammonium </span> <span>iodide </span> </span> </a> <span lang="en-us" xml:lang="en-us">/dimetyl sulfoxide (TBAI/DMSO) non-aqueous system <span> </span>by CV technique. <span>  </span>In this media, <span>  </span>three irreversible cathodic peaks were observed about -0.7 V, -1.7 V and - 2.0 V for PAP. With the scan rate measurements the process was found diffusion controlled. The possible reduction mechanism of PAP was also discussed. <span>  </span> </span> <span style="text-align:left;">  </span> </p>}, number={1}, publisher={Gazi University} }