|
|
|
|
a voltammetric sensor based on poly(eriochrome black t) modified glassy carbon electrode for the simultaneous determination of dihydroxybenzene isomers
|
|
|
|
|
|
|
|
نویسنده
|
chamjangali mansour a. ,daneshinejad hassan ,goudarzi nasser
|
|
منبع
|
شيمي كاربردي روز - 2019 - دوره : 13 - شماره : 49 - صفحه:11 -20
|
|
چکیده
|
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.
|
|
کلیدواژه
|
hydroquinone ,catechol ,resorcinol ,poly(eriochrome black t)
|
|
آدرس
|
shahrood university of technology, college of chemistry, ایران, shahrood university of technology, college of chemistry, ایران, shahrood university of technology, college of chemistry, lran
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
A voltammetric sensor based on poly(eriochrome black T) modified glassy carbon electrode for the simultaneous determination of dihydroxybenzene isomers
|
|
|
|
|
Authors
|
Arab Chamjangali Mansour ,Daneshinejad Hassan ,Goudarzi Nasser
|
|
Abstract
|
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.
|
|
Keywords
|
Hydroquinone ,Catechol ,Resorcinol ,Poly(eriochrome black T)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|