Electrochemical Aspects of pH Electrodes
- 1 January 1990
- journal article
- Published by S. Karger AG in Digestive Diseases
- Vol. 8 (1) , 18-22
- https://doi.org/10.1159/000171275
Abstract
When a pH electrode is applied intragastrically for long-term pH metry, problems may occur which are related to the specific conditions of gastric juice and to the possible difference between the temperature of buffer solutions and the body temperature. The fact that pH electrodes measure the activity of the hydrogen ion instead of its concentration may, in concentrated solutions (i.e. pHKeywords
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