Five corals belonging to common scleractinian reef-building species, and collected from Gulf of Suez, Egypt were subjected to neutron activation analysis. The content of 26 elements: Na, Mg, Cl, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Zn, As, Br, Rb, Sr, Sb, I, Cs, Ba, La, Ce, Gd, Hf, Th, and U was experimentally determined. Ca and Sr have the highest content i.e. 38.4–39.5% and 0.73–0.78% respectively while, the content of all other elements was within the ranges reported for the worldwide corals. For a better understanding of the coral exoskeleton elemental content, the partition coefficient calculated for all determined elements showed a wide range of values varying from 2 × 10−4 in the case of Cl to 2 × 103 for Ce and other insoluble elements. Although all corals were collected in the vicinity of the Port Suez no traces of anthropogenic contamination were evidenced.
Red sea Scleractinian corals Major element Trace elements Partition coefficient Epithermal neutron activation analysis
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The project was partially accomplished within the protocol no 4322-4-14/16 between the University of Bucharest and the Joint Institute for Nuclear Research Dubna Russian Federation. We would wish to thank two anonymous reviewers for their useful remarks and suggestions.
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