86ELECTROCHEMICAL BEHAVIOUR AND VOLTAMMETRIC DETERMINATION OF BENTAZEPAM AT CARBON PASTE ELECTRODEThe electrochemical behavior of bentazepam (BTZP) was investigated in pharmaceutical and human serum samples at carbon paste electrode (CPE) using cyclic voltammetry (CV) and differential pulse voltammetry (DPV). The drug BTZP exhibits a well defined reduction peak over the potential range 0.30 V to -0.90 V in phosphate buffer solution (PB) of pH 2.0 to 8.0. An irreversible and diffusion controlled sharp reduction peak was observed at 4.0. The lower detection limit (LOD) and the lower limit (LOD) were found to be 4.23x10-9 molL-1 and 2.85x10-7 molL-1 respectively. The proposed method was successfully applied for the determination of BTZP in pharmaceutical and human urine samplessreedharny.chem@gmail.comReview522015Bentazepam, carbon paste electrode,phosphate buffer solution,limit of detection, limit of quantificationM.Vishnu Priya,D. Sri Vidya, P.Aruna,N.Y.SreedharElectroanalytical Lab, Department of Chemistry, Sri Venkateswara University, Tirupati-517502, Andhra Pradesh, India,Electroanalytical Lab, Department of Chemistry, Sri Venkateswara University, Tirupati-517502, Andhra Pradesh, India,Electroanalytical Lab, Department of Chemistry, Sri Venkateswara University, Tirupati-517502, Andhra Pradesh, India,Electroanalytical Lab, Department of Chemistry, Sri Venkateswara University, Tirupati-517502, Andhra Pradesh, India