Abstract
The difference absorption spectra of different grades of gasoline (A-76, AI-92, and AI-95) with octane numbers Ω lying within 76–85 have been investigated experimentally in comparison with hydrocarbons: isooctane, benzene, and n-heptane. The spectra obtained contain absorption bands of the CH3, CH2, and CH groups and supposedly of the olefin double bond. The possibility of determining the octane number of an unknown grade of gasoline by using the absorption of a measured difference spectrum at one selected wavelength λ is shown.
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Voronov, Y.Y., Muradov, V.G. & Sannikov, D.G. Absorption Spectra of Gasolines in the Region 1090–1220 nm. Journal of Applied Spectroscopy 70, 628–631 (2003). https://doi.org/10.1023/A:1026119119282
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DOI: https://doi.org/10.1023/A:1026119119282