Trace metals in surface water from the Great Barrier Reef |
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| Affiliation: | 1. Korea Food Research Institute, Seongnam, Gyeonggi 463-746, Republic of Korea;2. Department of Oriental Medicinal Material and Processing, College of Life Science, Kyung Hee University, Yongin, Gyeonggi 446-701, Republic of Korea;3. Faculty of Biotechnology College of Applied Life Sciences, Jeju National University, Jeju 690-756, Republic of Korea;4. Department of Food Science and Technology, Chung-Ang University Anseong, 456-756, Republic of Korea;1. Chemical Engineering Department, Universidade de São Paulo, São Paulo, Brazil;2. Instituto de Química, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil;1. Pacific Northwest National Laboratory, Richland, WA 99352, USA;2. University of Chemistry and Technology Prague, Technicka 5/1905, 166 28 Prague 6, Czechia;3. Institute of Rock Structure and Mechanics of the Czech Academy of Sciences, V Holesovickach 41, 182 09 Prague 8, Czechia;4. AttainX, Support Services Contractor to the Office of River Protection, U.S. Department of Energy, Richland, WA 99354, USA;5. U.S. Department of Energy, Office of River Protection, Richland, WA 99352, USA |
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| Abstract: | Filtered (0.45 μm), unacidified, surface seawater samples, collected at 3-monthly intervals for 9 months from three locations within the Great Barrier Reef Province, were analysed for zinc, copper, nickel, cadmium and lead by atomic absorption spectroscopy (air/acetylene flame) following Chelex-100 (ammonium form) extraction. Mean levels of each metal ranged from 0.03–0.35; 0.11–0.24; 0.06–0.16; <0.01–0.06; all less than 0.06 μg l−1 respectively. Significant interlocational differences were observed for copper and nickel and clear temporal trends were identified for copper (location-dependent) and cadmium. |
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