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. 1969 Aug;44(8):1122-6.
doi: 10.1104/pp.44.8.1122.

Calibration of Infra-red CO(2) Gas Analyzers

G C Bate  1 , A D'Aoust, D T Canvin
Affiliations

Calibration of Infra-red CO(2) Gas Analyzers

G C Bate et al. Plant Physiol. 1969 Aug.

Abstract

Precision gas mixing pumps produce CO(2) gas mixtures for the calibration of infra-red CO(2) gas analyzers equivalent in accuracy to the standard CO(2) 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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References

    1. J Sci Instrum. 1968 Oct;1(10):1003-5 - PubMed

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