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This article describes a method that uses Carbon Screen‐printed Electrodes (C‐SPEs) to detect 3,4 – methylenedioxyamphetamine (MDMA) by Linear Sweep Voltammetry in aqueous medium. Major parameters of this technique were evaluated aiming improve the method sensibility. Amines interference were conducted in order to verify disturbs at the MDMA response. The method obtained a linear response from 1×10−5 mol L−1 to 1×10−4 mol L−1 with linear correlation coefficient of 0.996, Amperometric Sensitivity (AS) of 0.025 A×mol−1 L, Limit of Detection (LOD) of 1,83×10−6 mol L−1, and Limit of Quantification (LOQ) of 6,11×10−6 mol L−1. The method applicability, reproducibility and reproducibility were carried over inter/intra days tests and its application on seized samples.

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