A RAPID MASS SPECTROMETRIC METHOD FOR THE SIMULTANEOUS ANALYSIS OF BARIUM, CADMIUM, AND STRONTIUM IN FORAMINIFERA SHELLS
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dc.contributor.author | Lea D.W. | |
dc.contributor.author | Martin P.A. | |
dc.date.accessioned | 2020-11-22T04:11:53Z | |
dc.date.available | 2020-11-22T04:11:53Z | |
dc.date.issued | 1996 | |
dc.identifier | https://elibrary.ru/item.asp?id=490308 | |
dc.identifier.citation | Geochimica et Cosmochimica Acta, 1996, , 16, 3143-3149 | |
dc.identifier.issn | 0016-7037 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/19245 | |
dc.description.abstract | Recent developments in inductively coupled plasma mass spectrometry (ICP-MS) make it possible to simultaneously measure a suite of trace elements of paleoceanographic interest in foraminifera shells from deep-sea sediments. Here we present an ICP-MS method that allows determination of precise Cd/Ca, Ba/Ca, Sr/Ca, and Mn/Ca ratios in purified foraminifera shell samples as small as 25 μg. The method utilizes a combination of isotope dilution for Ba and Cd determination and internal standardization for Ca and Sr determination. Long term reproductibility of the method is 2-3% for the elemental ratios. The principal advantages of the method are that all four elemental ratios of paleoceanographic interest are generated simultaneously for a single sample of purified foraminiferal carbonate, minimizing sample size requirement, reducing analysis time, and improving correlation between proxies. | |
dc.title | A RAPID MASS SPECTROMETRIC METHOD FOR THE SIMULTANEOUS ANALYSIS OF BARIUM, CADMIUM, AND STRONTIUM IN FORAMINIFERA SHELLS | |
dc.type | Статья |
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