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Measurement of NO in Lieu of NOx in Modal Automobile Exhaust Analysis
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English
Abstract
Measurement of nitric oxide (NO) has been shown to be an equivalent indication of total oxides of nitrogen (NOx) for the purpose of performing I/M 240 (modal) emissions testing on gasoline powered automobiles. The study uses simultaneous measurements of NO and NOx taken during I/M 240 transient tests from a large random sample of in-use vehicles. Conclusions are also supported using published chemical reaction models and reaction rate experiments.
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Kohn, B., Bilsbarrow, D., Trujuillo, R., Patterson, J. et al., "Measurement of NO in Lieu of NOx in Modal Automobile Exhaust Analysis," SAE Technical Paper 972912, 1997, https://doi.org/10.4271/972912.Also In
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