Ainewithini lmimodi ediglassyicarbonielectrodeibasedi onfmelaminiumichlorideipentachlorocuprate(II)iforfselectivei determinationioffnitrateiinfwater
No Thumbnail Available
Date
2019-09-18
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
Afnewfelectrochemicalfthinfflmfglassyfcarbonfsensorfforfnitratefdetectionfbasedfonfafcopperfcomplex,fnamelyfmelaminiumf
chloridefpentachlorocuprateff(H
2
mela)ClCuCl
f(melaf=fmelamine),fasfafnovelfionophorefinfplasticizedfpolyvinylfchloridef
matrixfwasfelaborated.fTheftitlefcomplexfwasfsynthesizedfandfcharacterizedfusingfFT-IRfspectroscopyfandfsingle-crystalf
X-rayfdi raction.fTofimprovefthefsensitivity,fthefoptimalfpHfvaluefwasfevaluatedfandfthefe ectfoffplasticizerfwasfperformedf
usingfthreefdi erentfplasticizingfsolventfmediators:fdioctylfsebacate,fdibutylfphthalate,fandfo-nitrophenylfoctylfether.fThef
optimumfperformancefwasfobservedfatfpHf4fwithfthefmembranefincorporatingfdioctylfsebacatefasfafplasticizer.fCyclicf
voltammetryfandfsquarefwavefvoltammetryfwerefusedftofcharacterizeftheff(H
5
2
mela)[CuCl
]Cl-GCfsensorfwithfafpotentialf
betweenf0.3fandf1−V.fThisfsensorfwasfcharacterizedfbyfafwideflinearfrangeffromf1.2f×f10
π10
5
fMftof1.2f×f10
fM,faflowflimitfoff
detectionf off 1.2f×f10
π10
fMfandflowfresponseftimeflessfthanf1−min.fThisfproposedfsensorfgavefgoodfresultsfinfthefdeterminationfoffnitratefinfwaterfand,ftherefore,fcanfbefusedfsuccessfullyfinfrealfsamples.
π7