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The Application of NIR Spectroscopy for the Prediction of Properties of Australian Refined Reformate

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A rapid NIR method for the determination of octane number of reformate samples of Australian refined motor gasoline is described. Results of predictions using calibration sets based on ASTM full blends and actual reformate samples are presented. Interpretation of spectral data using principal component analysis facilitates the selection of a suitable analytical spectral range and demonstrates that the reformate samples may be distinguished on the basis of the geographical origins of the parent crude oils. The described method forms a basis for practical application and is a possible alternative to the standard CFR engine test method.

Keywords: Analysis; NIR; Octane number; PCA; Reformate

Document Type: Research Article


Affiliations: Department of Chemistry, Queensland University of Technology, GPO Box 2434, Brisbane 4000, Australia

Publication date: August 1, 1991

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