We have developed an eletroanalytical method that employs Cu2+ solutions to determine arsenic in sugarcane brandy using an electrode consisting of carbon paste modified with carbon nanotubes (CNTPE)and polymeric resins. We used linear sweep (LSV) and differential-pulse (DPV) voltammetry with cathodic stripping for CNTPE containing mineral oil or silicone as binder. The analytical curves were linear from30 to 110 lg L1 and from 10 to 110 lg L1 for LSV and DPV, respectively. The limits of detection (L.O.D.)and quantification (L.O.Q.) of CNTPE were 10.3 and 34.5 lg L1 for mineral oil and 3.4 and 11.2 lg L1 forsilicone. We applied this method to determine arsenic in five commercial sugarcane brandy samples. Theresults agreed well with those obtained by hydride generation combined with atomic absorption spectrometry (HG AAS).