Abstract
Precision gas mixing pumps produce CO2 gas mixtures for the calibration of infra-red CO2 gas analyzers equivalent in accuracy to the standard CO2 gas mixtures (± 1%) supplied by the National Bureau of Standards, Washington, D. C.
The calibration of infra-red gas analyzers by the pressure difference method and by concentration differences did not agree. A factor of 0.709 was necessary to correct the pressure difference method for the effects of pressure broadening with our analyzer.
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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
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