glass based electrodes for the determination of redox potentials in water samples

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ID: 182573
2015
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Abstract
The state of e.g. waste and process water depending on the particular application can be characterized by quantitative analysis of its composition (e.g. heavy metal ions, nitrate or phosphate) but often, at least in a complementary manner, by determinating of non-specific parameters like electrolytic conductivity or redox potential. The latter is usually measured potentiometrically using indicator electrodes of precious metals. However, their application is connected with measurement errors caused by interactions between the media and the noble metal surfaces. Specifically this problem occurs in real media that can be found in process chemistry and in waste water sector, for example. Using electron conducting glass instead of noble metal membranes in potentiometric redox electrodes solves this problem. We present possibilities for their fabrication and results from their characterization and use.
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gerlach2015sensorsglass Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Frank GERLACH; Kristina AHLBORN;Sandra SACHSE;Winfried VONAU
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Year 2015
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