High Pressure pH Sensor for Oceanographic Applications
- 1 August 1968
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 39 (8) , 1133-1138
- https://doi.org/10.1063/1.1683600
Abstract
A high pressure pH sensor has been developed and tested in the laboratory to a pressure of 150 kg/cm2 and in the ocean to a depth of 270 m. The sensor is composed of specially designed glass membrane and reference electrodes. A pressure equalizing technique is used to prevent pressure gradients across the walls of the electrodes. Seawater buffer was used to calibrate the sensor for oceanographic application resulting in 0.02 pH units reproducibility.Keywords
This publication has 4 references indexed in Scilit:
- High-Pressure Dissociation of Carbonic and Boric Acids in SeawaterScience, 1967
- Deep-Sea p HScience, 1966
- Electrochemical Measurements at High PressuresJournal of the Electrochemical Society, 1962
- pH Measurements with a Glass Electrode Withstanding 1500 kg/cm2 Hydrostatic PressureReview of Scientific Instruments, 1959