HalafAraar2024-02-152024-02-152019-09-180026-9247http://dspace.univ-khenchela.dz:4000/handle/123456789/1091Afnewfelectrochemicalfthinfflmfglassyfcarbonfsensorfforfnitratefdetectionfbasedfonfafcopperfcomplex,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. π7enArticle