Influence of oil-in-water emulsions on fluorescence properties as observed by excitation-emission spectra

E. Baszanowska; O. Zielinski; Z. Otremba; H. Toczek

doi:10.2971/jeos.2013.13069

Journal of the European Optical Society - Rapid publications, Vol 8 (2013)

Influence of oil-in-water emulsions on fluorescence properties as observed by excitation-emission spectra

E. Baszanowska, O. Zielinski, Z. Otremba, H. Toczek

Abstract

Oil poses a major threat to marine ecosystems. This work describes a set of studies focused on introducing an efficient method for the identification of oil in the form of oil emulsions through fluorescence spectra analyses. Hence the concept of classification of oil pollution in seawater based on fluorescence spectroscopy using a high sensitive fluorimeter [1] suitable for laboratory and in situ measurements is introduced. We consider that this approach, in the future, will make it possible to collect specific fluorescence information allowing us to build a base of the oil standards. Here we examined excitation-emission fluorescence spectra (EEMs) of water containing oil-in-water emulsion prepared artificially under laboratory conditions. Water polluted with oil-in-water emulsion was studied with the objective to estimate differences in three-dimensional fluorescence spectra. Studies included various types of oils and oil concentrations. Essential differences in fluorescence spectra for various oils are indicated.

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