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Photochemical decomposition rates of pteridines and flavins in seawater from Rib Reef, Great Barrier Reef

Created 12/03/2025

Updated 12/03/2025

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Photochemical decomposition rates of pteridines and flavins in seawater from Rib Reef were determined by reverse-phase liquid chromotography with fluorometric detection. The water was exposed to ambient surface solar radiation and samples removed at various time intervals [?2 hr before noon, noon, 2 hr after noon?] and direct injection (10-100µl) HPLC analyses conducted. For each component, the fluorescent transformation products were identified along with quantity, and the first-order decomposition rates (sea water, distilled water, distilled water with Cu2+ ion) measured. To examine the ecological significance of the occurrence, influence and fate of pteridines and flavins in coral reef waters. Pteridines: 6-biopterin, 6-hydroxymethylpterin, folic acid, isoxanthopterin, pterin, pterin-6-carboxylic acid, xanthopterin.Flavins: lumichrome, lumiflavin, riboflavin, riboflavin-5-phosphate.

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Title Photochemical decomposition rates of pteridines and flavins in seawater from Rib Reef, Great Barrier Reef
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/f7ba9926-9a3f-4b42-b014-9ad851bd0364
Contact Point
CSIRO Oceans & Atmosphere
reception@aims.gov.au
Reference Period 20/11/2017
Geospatial Coverage {"type": "Point", "coordinates": [146.88333, -18.48333]}
Data Portal data.gov.au