title: A zeolite modified carbon paste electrode as useful sensor for voltammetric determination of acetaminophen.
abstract: The voltammetric behavior of a carbon paste electrode modified with Co(II)-exchanged zeolite A (Co(II)-A/ZMCPE) for determination of acetaminophen was studied. The proposed electrode showed a diffusion controlled reaction with the electron transfer rate constant (Ks) of 0.44s(-1) and charge transfer coefficient of 0.73 in the absence of acetaminophen. A linear voltammetric response was obtained in the range of 0.1 to 190μmolL(-1) of acetaminophen [r(2)=0.9979, r=0.9989 (n=10)] with a detection limit of 0.04μmolL(-1). The method was successfully applied to the analysis of acetaminophen in some drugs.
authors: Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran.
authors: Leila
authors: L
authors: Ahmadpour-Mobarakeh
authors: Department of Chemistry, Shahreza Branch, Islamic Azad University, P.O. Box 311-86145, Shahreza, Isfahan, Iran. Electronic address: arnezamzadeh@iaush.ac.ir.
authors: Alireza
authors: A
authors: Nezamzadeh-Ejhieh
mesh_terms: D000082:Acetaminophen / Q000032:analysis*; D002244:Carbon; D004566:Electrodes; D006863:Hydrogen-Ion Concentration; D010084:Oxidation-Reduction; D017641:Zeolites / Q000737:chemistry*
chemical_list: D017641:Zeolites; D000082:Acetaminophen; D002244:Carbon
keywords: Acetaminophen; Carbon paste; Co(II)-A zeolite; Voltammetry; Zeolite modified electrode