High pressure pH sensor for oceanographic applications

S. Ben-Yaakov, I. R. Kaplan

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

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 p H units reproducibility.

Original languageEnglish
Pages (from-to)1133-1138
Number of pages6
JournalReview of Scientific Instruments
Volume39
Issue number8
DOIs
StatePublished - 1 Dec 1968
Externally publishedYes

ASJC Scopus subject areas

  • Instrumentation

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