Abstract
AbstractDespite being banned by the European Union (EU), Atrazine, a synthetic herbicide, was found in Europe's coastal waters. Given the widespread ban on atrazine in many countries, it is imperative to perform screenings to detect its presence in food and water samples, as it poses significant risks to both human health and aquatic ecosystems. This study presents the development of an innovative, simple, and cost‐effective electrochemical sensing platform that comprises a portable system equipped with a poly‐8‐Amino‐1‐naphthol‐3,6‐disulfonic acid (8‐ANDSA) customized carbon paste electrode (CPE). The poly‐8 ANDSA/CPE was acquired using the process of electrochemical polymerization, utilizing cyclic voltammetry (CV) over the potential domain of −0.8 V to 1.8 V for 25 sweep cycles. The poly‐8‐ANDSA/CPE exhibited a linear relationship between the square wave voltammetric (SWV) peak current amplitude and ATZ concentration within 0.1–100 μM. The limit of detection for ATZ was determined to be 30 nM. Spiked recovery results of 97.71 % to 102.73 % with RSD (%) values less than 5 % validated the method‘s applicability for atrazine detection from water samples. The favorable outcomes indicated that the portable system performs exceptionally well and validates the practicality of ATZ detection, facilitating on‐site detection in actual water samples.
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