Assessment of phosphorescence spectroscopy for crude oil identification

M. M. Corfield, H. L. Hawkins, P. John, I. Soutar

Research output: Contribution to journalArticle

Abstract

The application of phosphorescence techniques to crude oil identification has been studied. Conventional phosphorescence spectra are insufficiently structured to offer adequate discrimination between the crude oil samples investigated. Synchronous excitation and total contour spectra of a series of crude oils have been compiled. The latter techniques show promise as a method for differentiation between unweathered crude oils. Spectral discrimination is enhanced by the use of an external 'heavy atom' quencher. Lifetime measurements of phosphorescence decay offer limited scope, with respect to crude oil characterisation, owing to the complex nature of the observed decay rates.

Original languageEnglish
Pages (from-to)188-197
Number of pages10
JournalAnalyst
Volume106
Issue number1259
Publication statusPublished - 1981

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