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New approach to calibrating conductivity meters in the low conductivity range

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Abstract

There is currently a major issue with the calibration of conductivity meters used for high purity water: the lack of availability of a reference material or reference methods for low conductivity ranges (conductivity below 1 μS cm−1 at 25.0 °C, resistivity >1 MΩ cm at 25.0 °C). This paper describes the current status of conductivity measurements in high purity water. A new and improved approach, currently being investigated, should allow us to make the calibration of conductivity meters used for low conductivity ranges traceable to the SI.

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Authors and Affiliations

  1. Physikalisch-Technische Bundesanstalt, Metrology in Chemistry, Bundesallee 100, 38116, Braunschweig, Germany

    Petra Spitzer & Uwe Sudmeier

  2. Lab Water Division, Millipore, St Quentin-Yvelines, France

    Bruno Rossi, Yves Gaignet & Stéphane Mabic

Authors
  1. Petra Spitzer
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  2. Bruno Rossi
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  3. Yves Gaignet
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  4. Stéphane Mabic
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  5. Uwe Sudmeier
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Corresponding author

Correspondence to Petra Spitzer.

Additional information

Milipore, Milli-Q and Elix are registered trademarks of Millipore Corporation.

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Spitzer, P., Rossi, B., Gaignet, Y. et al. New approach to calibrating conductivity meters in the low conductivity range. Accred Qual Assur 10, 78–81 (2005). https://doi.org/10.1007/s00769-004-0880-4

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  • DOI: https://doi.org/10.1007/s00769-004-0880-4

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