Letter | Published:

Mechanism of the Glass Electrode

Naturevolume 140page66 (1937) | Download Citation

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Abstract

IT is a well-known fact that new glass electrodes are not suitable for exact measurements until they have first been allowed to stand in water for some time. The continuous variation in potential observed with a new electrode may be connected with the property of the glass of taking up hydrogen ions. I have demonstrated1 that hydrogen ions are exchanged for calcium and sodium ions in the glass electrode. The following experiments demonstrate the relation of the potential to the hydrogen ion uptake.

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References

  1. 1

    Tidskr. Kjemi og Bergvesen, No. 4 (1937).

  2. 2

    Z. Phys., 15, 369 (1923).

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  1. Carlsberg Laboratory, Copenhagen

    • G. HAUGAARD

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https://doi.org/10.1038/140066a0

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