پديد آورندگان :
Chamjangali ، Mansour A. Shahrood University of technology - College of Chemistry , Daneshinejad ، Hassan Shahrood University of technology - College of Chemistry , Goudarzi ، Nasser Shahrood University of technology - College of Chemistry
كليدواژه :
Hydroquinone , Catechol , Resorcinol , Poly(eriochrome black T)
چكيده فارسي :
An electrochemical sensor based on deposition of polymeric film by using electrochemical method on the surface of glassy carbon electrode was fabricated for simultaneous determination of dihydroxybenzene using differential pulse voltammetry (DPV). The sensor was constructed by simple modification of glassy carbon electrode (GCE) with a uniform electropolymerized film of poly (eriochrome black T) (poly(EBT)). The electrochemical behaviors of hydroquinone (HQ), catechol (CC) and resorcinol (RS) at the modified electrode were studied. The obtained peak current was linearly dependent on the HQ, CC, and RS concentrations in the range of 0.5070.0 µM, 0.5070.0 µM and 1.070.0 µM, respectively. The detection limits for HQ, CC and RS at the surface of poly(EBT)/GCE were 0.20 µM, 0.11 µM and 0.60 µM (3σ), respectively. In addition, simultaneous determination of dihydroxybenzene was evaluated in real sample of water with differential pulse voltammetry.
