Alkaline Oesophageal Reflux-An Artefact Due to Oxygen Corrosion of Antimony pH Electrodes

Antimony electrodes are widely used for gastro-oesophageal pH monitoring. They are also sensitive to oxygen, however, especially at low Po2 levels, which are known to shift recorded values in the alkaline direction. This study, which compares antimony and glass electrodes for oesophageal pH monitori...

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