Silicone Rubber: Oxygen, Carbon Dioxide, and Nitrous Oxide Measurement in Gas Mixtures

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Science  14 Jul 1967:
Vol. 157, Issue 3785, pp. 203-204
DOI: 10.1126/science.157.3785.203


Pressure changes, arising from counter diffusion of gases through a sealed silicone rubber tube, may be used to measure tension of gases in a mixture. When the tube is initially filled with one of the gases, and the mixture surrounds it, the pressure rise is related to the tension of the remaining gas.