Update: 30 September, 2023
A rapid analytical technique of laser ablation inductively coupled plasma mass spectrometry was developed to measure trace element constituents in corals and hard sponges. This technique is illustrated by measuring B, Mg, Ca, Mn, Zn, Sr, Ba and U in a Porites coral collected from the Great Barrier Reef, Australia. The accuracy of laser ablation inductively coupled plasma mass spec- trometry for the measurement of Sr/Ca and Ba/Ca in corals by comparison with solution isotope dilution induc- tively coupled plasma mass spectrometry is discussed. We demonstrate the significance of the Sr/Ca ratio by correlation with in situ sea surface temperature data to show that Sr/Ca in corals provides a means to retrospec- tively measure sea surface temperature prior to available instrumental records. Coral Ba/Ca ratios as an indicator of riverine sediment input during times of runoff into the Great Barrier Reef are also examined.
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MD5 Checksum: F24B6E4705548F86FA641C40D8686819
Publication date: 02 July, 2012
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PDF Link: Agilent Measuring Elemental Ratios in Corals by LA-ICP-MS PDF