Multi-Element Analysis of 15 International Standard Rocks by Isotope-Dilution Spark Source Mass Spectrometry |
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| Authors: | KP JOCHUM HM SEUFERT MF THIRLWALL |
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| Institution: | Max-Planck-Institut für Chemie, 6500 Mainz, F.R. Germany;Royal Holloway and Bedford New College, University of London, Egham, Surrey TW20 OEX, Great Britain |
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| Abstract: | The concentrations of 25 trace elements have been determined in 15 international standard rock samples by isotope-dilution spark source mass spectrometry (ID-SSMS). This technique yields reliable data down to the ppb concentration range. The agreement between most of our data and recommended values is within 10%. However, for reference samples with low trace element contents (BIR-1, NIM-N, PCC-1, DTS-1), differences between our data and the literature can be as large as a factor of 80. |
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