ArticleJournal of fluorescence2026
Integrated SARA-Fluorescence Analysis of Crude Oil with Fraction-Specific Calibration.
Article in Journal of fluorescence, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The compositional complexity and variability of crude oil demand rapid, reliable analytical methods for both refinery optimization and environmental forensics. Fluorescence spectroscopy is a sensitive, non-destructive alternative to conventional chromatographic and thermal techniques, yet its potential for quantitative, fraction-specific analysis remains under-exploited. In this work, SARA (saturates, aromatics, resins, asphaltenes) fractionation was integrated with systematic fluorescence profiling to characterize Iraqi Basra crude oil. Each fraction exhibited a distinct, reproducible fluorescence signature reflecting its underlying photophysics: the emission intensity of the saturate (alkane) and aromatic fractions increased linearly with concentration (0.001-0.04% w/v and 0.001-0.02% w/v, respectively; R
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