Polypyrrole nanotubes for electrochemically controlled solid-phase extraction of anions and cations
作者： Tian Tian , Chi Zhang , Wenyan Hu , Xuejun Kang , Jun Yang
DOI: 10.1039/C3AY41477A
关键词:
摘要: Polypyrrole (PPy) nanotubes were suggested as functional adsorbents for the electrochemically controlled solid-phase extraction (EC-SPE) of both anions and cations. The preparation PPy on ITO glass was achieved by using a constant potential method. In situ anion (chloride, nitrate, sulfate) cation (dopamine) uptake release examined under conditions demonstrating prospective applications nanotube based EC-SPE. It found that electrodes cycling between oxidation reduction potentials could facilitate desorption cations, respectively. method validated with standard reference material used determination ions in real water samples.
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