Abstract:In this work, an HB pencil electrode (HBPE) was electrochemically
modified by amino acids (AAs) glycine (GLY) and aspartic acid (ASA)
and designated as GLY-HB and ASA-HB electrodes. They were used in
the detection of dihydroxybenzene isomers (DHBIs) such as hydroquinone
(HQ), catechol (CC), and resorcinol (RS), by cyclic voltammetry (CV),
and by differential pulse voltammetry. HBPE was characterized by scanning
electron microscopy and energy-dispersive X-ray spectroscopy. These
three electrodes showed a linear… Show more
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