Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/49841
Title: Dissolved/dispersed hydrocarbons in seawater, determined by infrared and fluorescence spectroscopy
Authors: Gonzalez-Davila, M. 
Perez-PeÑa, J. 
Santana-Casiano, M. 
Hernandez-Brito, J. 
UNESCO Clasification: 251002 Oceanografía química
Keywords: Hydrocarbons
Seawater
IR spectroscopy
Fluorescence spectroscopy
Oil-in-water
Issue Date: 1989
Publisher: 0306-7319
Journal: International Journal of Environmental Analytical Chemistry 
Abstract: Samples of sub-surface (1m) and surface water were collected in the harbour of Las Palmas. These have been analyzed by infrared and by fluorescence spectroscopy in order to provide information on the levels of hydrocarbons generally present in the area. With the infrared method, the absorbance at 2925cm−1 has been measured and the values are given as API mixture equivalents. For the determination of total hydrocarbons by fluorescence spectroscopy, both the single-wavelength excitation fluorescence spectra which were used for the determination of the total concentration and the synchronous excitation spectra which give more structural information were recorded. The concentrations are given as chrysene equivalents. In all cases, high concentration levels of oil were detected. The results obtained from the two methods have been explained based upon the meteorological and oceanographic conditions.
URI: http://hdl.handle.net/10553/49841
ISSN: 0306-7319
DOI: 10.1080/03067318908026904
Source: International Journal of Environmental Analytical Chemistry [ISSN 0306-7319], v. 37, p. 277-285
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