Measurement of Methanol Proportion in Methanol-Gasoline Mixtures - An Application of Fiber Optic Raman Spectroscopy

Paper #:
  • 2000-01-1336

Published:
  • 2000-03-06
Citation:
Asundi,, A. and Rao, V., "Measurement of Methanol Proportion in Methanol-Gasoline Mixtures - An Application of Fiber Optic Raman Spectroscopy," SAE Technical Paper 2000-01-1336, 2000, https://doi.org/10.4271/2000-01-1336.
Pages:
6
Abstract:
This paper describes the results of an experimental investigation conducted to determine the proportion of methanol by volume in methanol-gasoline mixture. The suitability of a Fiber optic Raman spectrometer for in-situ measurement of percentage of methanol by volume in methanol-gasoline is demonstrated. The transformation of Raman spectra of gasoline into Raman spectra of methanol are observed and recorded as the percentage of methanol is progressively increased from 0 to 100%. The measured intensities at the characteristic Raman shift corresponding to gasoline are found to be inversely proportional to the volume of methanol in methanol-gasoline mixture. The results obtained in the form of series of Raman spectra are presented.
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