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Blood pH Measurement with a Solvent Polymeric Membrane Electrode in Comparison with a Glass Electrode

Vergleichsmessungen von pH-Werten in Blut mittels einer Flüssigmembranelektrode und einer Glaselektrode

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Summary

A neutral carrier based solvent polymeric membrane electrode selective for hydrogen ions leads to standard deviations for single measurements of the pH in blood samples and related buffers of 0.001 to 0.003 pH units. The pH values obtained by this electrode on 35 blood samples correlate with those measured with a glass electrode with a correlation coefficient of 0.998 and a residual standard deviation of 0.01 pH units.

Zusammenfassung

Messungen von pH-Werten mit einer auf einem elektrisch neutralen Carrier beruhenden, H+-selektiven Flüssigmembranelektrode in Blutproben und Eichpufferlösungen ergeben Standardabweichungen für einzelne Messungen von 0,001 bis 0,003 pH-Einheiten. Eine Korrelation der mit dieser Elektrode an 35 Blutproben ermittelten pH-Werte mit den Meßwerten einer Glaselektrode ergibt einen Korrelationskoeffizienten von 0,998 und eine Restabweichung von 0,01 pH-Einheiten.

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Authors and Affiliations

  1. Department of Organic Chemistry, Swiss Federal Institute of Technology, Zurich, Switzerland

    P. Anker, D. Ammann & W. Simon

Authors
  1. P. Anker
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  2. D. Ammann
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  3. W. Simon
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Anker, P., Ammann, D. & Simon, W. Blood pH Measurement with a Solvent Polymeric Membrane Electrode in Comparison with a Glass Electrode. Mikrochim Acta 79, 237–242 (1983). https://doi.org/10.1007/BF01303909

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  • DOI: https://doi.org/10.1007/BF01303909

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