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UV-fluorescence spectrophotometric assessment and characterization of dissolved fluorescent matter in coastal water of the central Adriatic
Dujmov, J.; Sucević, P.; Antolić, B. (1992). UV-fluorescence spectrophotometric assessment and characterization of dissolved fluorescent matter in coastal water of the central Adriatic. Neth. J. Sea Res. 29(4): 291-296
In: Netherlands Journal of Sea Research. Netherlands Institute for Sea Research (NIOZ): Groningen; Den Burg. ISSN 0077-7579, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Dujmov, J.
  • Sucević, P.
  • Antolić, B.

Abstract
    UV-fluorescence spectrophotometry was used to investigate dissolved fluorescent matter in coastal seawater samples from Split. Conventional and synchronous scanning modes were employed. Concentrations of dissolved fluorescent matter were estimated using calibration curves constructed from known concentrations of quinine in sulphuric acid and additionally of Suwannee River fulvic acid in Copenhague standard seawater. The results obtained during a one-year survey showed a low variability except during a phytoplankton bloom, when values were much higher. In that period the presence of aromatic systems with 3 and 4, 5 and probably 7 fused rings was also detected by a synchronous technique. The fluorescence method using calibration curves of standard solutions of quinine in sulphuric acid and Suwannee River fulvic acid in standard seawater allowed rapid and sensitive assessment of these substances in seawater.

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