Continuous Flow Purging of Infrared Spectrophotometers Using Oil-pumped Compressed Air

Authors: Cameron, D.G.; Nadeau, A.; Ribbegård, G.; Jones, R.N.

Source: Applied Spectroscopy, Volume 32, Issue 3, Pages 265-328 (May/June 1978) , pp. 320-321(2)

Publisher: Society for Applied Spectroscopy

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Abstract:

To achieve optimal performance most infrared spectrophotometers must be purged with a nonabsorbing gas substantially free from water vapor and carbon dioxide. Two types of systems are in common use. One uses a closed circuit in which the gas is cycled through the instrument and a dryer. In the alternative system fresh gas is supplied continually to the instrument and allowed to disperse into the atmosphere.

Keywords: Instrumentation, infrared; Techniques, spectroscopic

Document Type: Short communication

DOI: http://dx.doi.org/10.1366/000370278774331314

Affiliations: 1: Division of Chemistry, National Research Council of Canada, Ottawa, Ontario, Canada, K1A 0R6

Publication date: 1978-05-01

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