✦ LIBER ✦

A micro pCO2 electrode

✍ Scribed by Carlton R. Caflisch; Norman W. Carter

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 355 KB
Volume: 60
Category: Article
ISSN: 0003-2697
DOI: 10.1016/0003-2697(74)90151-1

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✦ Synopsis

By utilizing a previously developed micro pH glass electrode it has been possible to make a micro pC0, electrode with a tip diameter of about 10 pm. This was accomplished by placing the micro pH electrode in a conical tube containing a weak NaHCOa solution. The tip of the conical tube was closed with Teflon@ oil wax mixture. This closure prevented the flow of solution, but allowed CO, to pass into the NaHC03 solution thus altering the pH of this solution, Changes in pH were seen and measured by the micro pH electrode and could be related to the pC0, of gas or solution in which the total electrode system was placed. This electrode, principally because of its small size, has many possible applications in biological research.

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