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Article

Seawater Fluorescence Near Oil Occurrence

Department of Physics, Gdynia Maritime University, 81-225 Gdynia, Poland
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Sustainability 2020, 12(10), 4049; https://doi.org/10.3390/su12104049
Received: 31 March 2020 / Revised: 12 May 2020 / Accepted: 13 May 2020 / Published: 15 May 2020
Petroleum and its related products pose a serious pollution risk to the world’s seas and require a simple, rapid detection method. This is a difficult task if the pollution is under the water surface. One common approach to oil detection is excitation-emission spectroscopy (EEMs) of seawater exposed to oil for analyzing the fluorometric index (FIo/w) as a potential indicator of oil presence in the marine environment. In this paper, FIo/w was determined for both natural seawater and samples of the same water, but exposed to a relatively small portion of oil. The water samples were collected from the coastal and port waters of the Gdynia region (Southern Baltic Sea) from five stations, four times at two-week intervals. FIo/w indicates the changes between seawater sampled from the marine environment and the same seawater polluted with oil substances. Moreover, the obtained FIo/w values do not depend on the point and time of sampling. In all cases of seawater exposed to oil, significantly higher FIo/w values were observed than for unpolluted seawater. Moreover, the detection of oil by analyzing the value of FIo/w is efficient if the oil-to-water weight ratio is close to or above 5 × 10−6. View Full-Text
Keywords: oil in seawater; oil fluorescence; oil detection; seawater fluorescence; excitation-emission spectra; fluorometric index oil in seawater; oil fluorescence; oil detection; seawater fluorescence; excitation-emission spectra; fluorometric index
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MDPI and ACS Style

Baszanowska, E.; Otremba, Z. Seawater Fluorescence Near Oil Occurrence. Sustainability 2020, 12, 4049. https://doi.org/10.3390/su12104049

AMA Style

Baszanowska E, Otremba Z. Seawater Fluorescence Near Oil Occurrence. Sustainability. 2020; 12(10):4049. https://doi.org/10.3390/su12104049

Chicago/Turabian Style

Baszanowska, Emilia, and Zbigniew Otremba. 2020. "Seawater Fluorescence Near Oil Occurrence" Sustainability 12, no. 10: 4049. https://doi.org/10.3390/su12104049

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