FTIR: fundamentals and applications in the analysis of dilute vehicle exhaust

Christine A. Gierczak; J. M. Andino; James W. Butler; G. A. Heiser; Gerald Jesion; T. J. Korniski

doi:10.1117/12.46178

1 May 1991 FTIR: fundamentals and applications in the analysis of dilute vehicle exhaust

Christine A. Gierczak, J. M. Andino, James W. Butler, G. A. Heiser, Gerald Jesion, T. J. Korniski

Proceedings Volume 1433, Measurement of Atmospheric Gases; (1991) https://doi.org/10.1117/12.46178
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

FTIR spectroscopy has been shown to be a valuable tool in the analysis of complex gas phase mixtures, such a dilute vehicle exhaust. Regulated and non-regulated vehicle emissions have been routinely sampled and analyzed using prototype instrumentation developed in this laboratory, and in several other laboratories over the last decade. More recently, commercial versions of these FTIR analyzers have become available through several manufacturers. This paper reviews the data acquisition and processing techniques utilized by the FTIR analyzer developed in this laboratory. The statistical detection limits for 22 of the components analyzed by the system are presented. In addition, the linearity of the carbon monoxide (CO) analysis is demonstrated over several orders of magnitude. Experiments designed to study the effects of environmental parameters on the accuracy and the sensitivity of the system are also described.

Citation Download Citation

Christine A. Gierczak, J. M. Andino, James W. Butler, G. A. Heiser, Gerald Jesion, and T. J. Korniski "FTIR: fundamentals and applications in the analysis of dilute vehicle exhaust", Proc. SPIE 1433, Measurement of Atmospheric Gases, (1 May 1991); https://doi.org/10.1117/12.46178

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