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In situ Sr-isotope analysis of carbonates by LA-MC-ICP-MS: interference corrections, high spatial resolution and an example from otolith studies
Abstract
In situ Sr-isotope analysis by laser ablation multi-collector ICP-MS is a potentially powerful tracer technique with widespread application to many fields of study. The usefulness of the method, however, depends very strongly upon the quality of data that can be obtained (compared with conventional ‘solution-based’ analyses), and the spatial resolution, particularly in samples with strong compositional zonation or fine-scale growth banding. In this contribution we show that highly accurate (∼50 ppm) and precise (external precision ∼125 ppm) analyses of carbonate materials can be obtained in situ and further demonstrate that, by utilising the aperture-imaging optics of an excimer laser system with appropriate time-resolved software, isotopic variations on the scale of tens of micrometres can be resolved. An example is shown using relatively small (∼500 μm diameter) otoliths from a diadromous fish species, Galaxias maculatus.
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Cited by
Woodhead, J. D., Hellstrom, J., Hergt, J. M., Greig, A., & Maas, R. (2007) · Geostandards and Geoanalytical Research · doi:10.1111/j.1751-908x.2007.00104.x · Cited by 423
Self-citationLin, J., Liu, Y., Yang, Y., & Hu, Z. (2016) · Solid Earth Sciences · doi:10.1016/j.sesci.2016.04.002 · Cited by 363
Fietzke, J., Liebetrau, V., Günther, D., Gürs, K., Hametner, K., Zumholz, K., Hansteen, T. H., & Eisenhauer, A. (2008) · Journal of Analytical Atomic Spectrometry · doi:10.1039/b717706b · Cited by 133
Metadata
- Authors
- Woodhead, J., Swearer, S., Hergt, J., & Maas, R.
- Venue
- Journal of Analytical Atomic Spectrometry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2005
- Volume
- 20
- Issue
- 1
- Pages
- 22
- ISSN
- 0267-9477 (ISSN-L)
- 1364-5544
- OpenAlex
- W1989389026
- Cited by
- 236
- References
- 0
- FWCI
- 6.03
- Type
- journal article
- Language
- en
- Open access
- closed
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- Woodhead, J., Swearer, S., Hergt, J., & Maas, R. (2005). In situ Sr-isotope analysis of carbonates by LA-MC-ICP-MS: interference corrections, high spatial resolution and an example from otolith studies. Journal of Analytical Atomic Spectrometry. https://doi.org/10.1039/b412730g
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