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Quasi-simultaneous Mapping of Local Current Density, pH and Dissolved O-2

机译:局部电流密度,pH和溶解O-2的准同时映射

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For the first time we report on quasi-simultaneous mapping of local current density, pH and concentration of dissolved O-2. The three micro-probes were positioned 50 micron apart from each other and 50 to 100 mm above the cut-edge metal coated steel sample. The vibrating probe recorded the local current density and glass-capillary micro-electrode measured local pH. Additionally, two different micro-probes were used for DO measurements: either an amperometric micro-probe or micro-optode was coupled with the other two sensors using the triple head stage. The data on local distributions were acquired quasi-simultaneously (within <= 2.8 s) and, hence, are correlated in space and time.
机译:我们第一次报告了局部电流密度,pH和溶解的O-2浓度的准同时映射。将三个微探针彼此分开放置50微米,并在尖端金属涂层钢样品上方50到100 mm。振动探针记录局部电流密度,玻璃毛细管微电极测量局部pH值。此外,使用两种不同的微探针进行DO测量:使用三头载物台将安培型微探针或微光电二极管与其他两个传感器耦合。关于局部分布的数据是同时获得的(在≤2.8 s之内),因此在空间和时间上是相关的。

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