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Sensors (Basel). 2017 Jun 13;17(6). doi: 10.3390/s17061372.

A Multi-Parametric Device with Innovative Solid Electrodes for Long-Term Monitoring of pH, Redox-Potential and Conductivity in a Nuclear Waste Repository.

Sensors (Basel, Switzerland)

Jordan Daoudi, Stephanie Betelu, Theodore Tzedakis, Johan Bertrand, Ioannis Ignatiadis

Affiliations

  1. Water, Environment and Eco-technologies, BRGM French Geological Survey, 45060 Orléans, France. [email protected].
  2. Water, Environment and Eco-technologies, BRGM French Geological Survey, 45060 Orléans, France. [email protected].
  3. Laboratory of Chemical Engineering, Université de Toulouse III Paul Sabatier, 31062 Toulouse, France. [email protected].
  4. Monitoring and Data Processing Department (DRD/MTD), ANDRA French National Radioactive Waste Management Agency, 92290 Châtenay Malabry, France. [email protected].
  5. Water, Environment and Eco-technologies, BRGM French Geological Survey, 45060 Orléans, France. [email protected].

PMID: 28608820 PMCID: PMC5492355 DOI: 10.3390/s17061372

Abstract

We present an innovative electrochemical probe for the monitoring of pH, redox potential and conductivity in near-field rocks of deep geological radioactive waste repositories. The probe is composed of a monocrystalline antimony electrode for pH sensing, four AgCl/Ag-based reference or Cl

Keywords: all-solid-state electrodes; conductivity; galvanostatic electrochemistry impedance spectroscopy (GEIS); multi-parametric probe; nuclear waste disposal monitoring; pH sensor; redox potential; reference electrodes

Conflict of interest statement

The authors declare no conflict of interest.

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