2020
DOI: 10.26434/chemrxiv.12236240.v2
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Detection of Perfluorooctane Sulfonate by Ion-Transfer Stripping Voltammetry at an Array of Microinterfaces Between Two Immiscible Electrolyte Solutions

Abstract: We present an analytical approach for the detection of perfluorooctane sulfonate (PFOS) by ion transfer stripping voltammetry at an array of micro-interfaces between two immiscible electrolyte solutions. With this approach, picomolar concentrations are detected and environmental matrix effects are evaluated.

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“…The prevalence of electrochemical sensors at the ultramicro-and nano-scale has become more common in recent years due to advances in nanofabrication techniques and, as such, they are now being used for the detection of a wide range of analytes. [1][2][3][4][5] Ultramicroelectrodes offer enhanced performance due to time independent analyte masstransport (radial diffusion) occurring to these electrodes when compared to larger electrodes.…”
Section: Introductionmentioning
confidence: 99%
“…The prevalence of electrochemical sensors at the ultramicro-and nano-scale has become more common in recent years due to advances in nanofabrication techniques and, as such, they are now being used for the detection of a wide range of analytes. [1][2][3][4][5] Ultramicroelectrodes offer enhanced performance due to time independent analyte masstransport (radial diffusion) occurring to these electrodes when compared to larger electrodes.…”
Section: Introductionmentioning
confidence: 99%