One-step electrochemical modification of pencil graphite electrode with reduced graphene oxide/phosphotungstic acid/sol–gel, and its application to the trace analysis of lead(II)
Abbas Hassan Oghli, Ahmad Soleymanpour
Topics & Concepts
Phosphotungstic acidMaterials scienceElectrodeGrapheneGraphiteElectrochemical gas sensorElectrochemistryCyclic voltammetryDetection limitOxideInorganic chemistryWorking electrodePalladium-hydrogen electrodeChemical engineeringComposite materialNanotechnologyChemistryChromatographyMetallurgyPhysical chemistryCatalysisBiochemistryEngineeringElectrochemical Analysis and ApplicationsConducting polymers and applicationsElectrochemical sensors and biosensors