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(2020) Effect of Fractionation Rate on High-Precision Multidynamic TIMS Sr Isotope Analysis and the 84Sr Abundance of the Earth

Di Y, Krestianinov E & Amelin Y


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06n: Room 2, View in program

Listed below are questions that have been submitted by the community that the author will try and cover in their presentation. To submit a question, ensure you are signed in to the website. Authors or session conveners approve questions before they are displayed here.

Submitted by Bryant Ware on
You mention the question of "were previous u84Sr analysesffected by fractionation drift?" if this is the case is there anything that can be done retrospectively to correct the data?

Submitted by Yuri Amelin on
Yes, in principle any multi-dynamic measurement can be re-processed with fractionation drift correction. This has to be done with the raw mass spectrometer output (intensity and time readings), so this can be either done by the persons who collected the data, or we can do it if they send us their mass spec output files. This is actually a very interesting opportunity for other isotopic systems, especially for 142Nd measurements, where there is a large amount of data that can benefit from such data re-processing. Thanks for the great idea.

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