Comparisons are made between data obtained from a real-time automotive emissions gas analyzer (Nicolet REGA) system based on a Nicolet Fourier transform infrared spectroscopy (FTIR) analyzer, data from a Mattson FTIR-based real-time automotive emissions analyzer (Pierburg REA), and data obtained from classical analytical techniques. Data from both FTIR systems for CO, CO2, and NOx are compared to both integrated-real time and integrated bag results from conventional emissions analysis instrumentation. FTIR formaldehyde data are compared to results obtained by the 2,4-dinitrophenylhydrazine-coated cartridge liquid chromatography technique. FTIR methanol data are compared with data obtained by gas chromatography analysis of samples collected in water impingers. The exhaust emissions from automobiles fueled with a variety of fuel and fuel blends are analyzed. Advantages and disadvantages of each FTIR system are discussed with regard to choice of compound, ease of operation, and analytical flexibility.
Comparison of Data from Two FTIR Based Automotive Emissions Analysis Systems with Those Obtained from Conventional Automotive Emissions Instrumentation
Sae Technical Papers
International Fuels & Lubricants Meeting & Exposition ; 1993
1993-10-01
Aufsatz (Konferenz)
Englisch
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