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Determination of In and Sn Mass Fractions in Sixteen Geological Reference Materials by Isotope Dilution MC-ICP-MS.
Kirchenbaur, Maria, Heuser, Alexander , Bragagni, Alessandro and Wombacher, Frank (2018) Determination of In and Sn Mass Fractions in Sixteen Geological Reference Materials by Isotope Dilution MC-ICP-MS. Geostandards and Geoanalytical Research, 42 (3). pp. 361-377. DOI 10.1111/ggr.12211.
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Abstract
Mass fractions of Sn and In were determined in sixteen geological reference materials including basaltic/mafic (BCR‐2, BE‐N, BHVO‐1, BHVO‐2, BIR‐1, OKUM, W‐2, WS‐E), ultramafic (DTS‐2b, MUH‐1, PCC‐1, UB‐N) and felsic/sedimentary reference materials (AGV‐2, JA‐1, SdAR‐M2, SdAR‐H1). Extensive digestion and ion exchange separation tests were carried out in order to provide high yields (> 90% for Sn, > 85% for In), low total procedural blanks (~ 1 ng for Sn, < 3 pg for In) and low analytical uncertainties for the elements of interest in a variety of silicate sample matrices. Replicate analyses (n = 2–13) of Sn‐In mass fractions give a combined measurement uncertainty of 2u that are generally < 3% and in agreement with literature data, where available. We present the first high precision In data for reference materials OKUM (32.1 ± 1.5 ng g−1), DTS‐2b (2.03 ± 0.25 ng g−1), MUH‐1 (6.44 ± 0.30 ng g−1), and PCC‐1 (3.55 ± 0.35 ng g−1) as well as the first Sn data for MUH‐1 (0.057 ± 0.010 μg g−1) and DTS‐2b (0.623 ± 0.018 μg g−1).
Document Type: | Article |
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Keywords: | tin, indium, reference materials, isotope dilution, MC-ICP-MS |
Research affiliation: | OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-MG Marine Geosystems |
Refereed: | Yes |
Open Access Journal?: | No |
Publisher: | Wiley-Blackwell |
Date Deposited: | 26 Mar 2018 12:01 |
Last Modified: | 08 Feb 2021 07:38 |
URI: | https://oceanrep.geomar.de/id/eprint/42404 |
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