Abstract
AbstractAn electrochemical sensor based on raffia derived porous carbon (RPC) and polyaniline (PANI) composite functional glass carbon electrode (GCE) was constructed for imidacloprid (IMI) determination. PANI nanowire arrays were deposited on RPC surface uniformly without aggregations. The electrochemical response of IMI at RPC@PANI/GCE is about four times than that at bare GCE, indicating high electrocatalytic activity of RPC@PANI towards IMI reduction. The prepared sensor also offers a wide linear range of 0.1–70 μg mL−1 for IMI determination with a limit of detection (LOD) of 0.03 μg mL−1. In addition, it offers high recoveries with testing real samples.
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