Braukmueller, Ninja, Wombacher, Frank ORCID: 0000-0002-0755-8918, Bragagni, Alessandro and Muenker, Carsten (2020). Determination of Cu, Zn, Ga, Ag, Cd, In, Sn and Tl in Geological Reference Materials and Chondrites by Isotope Dilution ICP-MS. Geostand. Geoanal. Res., 44 (4). S. 733 - 753. HOBOKEN: WILEY. ISSN 1751-908X

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Abstract

Mass fractions of Cu, Zn, Ga, Ag, Cd, In, Sn and Tl were determined via isotope dilution quadrupole ICP-MS in twenty-one geological reference materials (RMs) and the carbonaceous chondrites Orgueil (CI1), Murchison (CM2) and Allende (CV3). The RMs comprise basaltic/mafic (BCR-2, BE-N, BHVO-1, BHVO-2, BIR-1, BRP-1, JB-2, OKUM, W-2, WS-E), intermediate/felsic (AGV-2, G-2, JA-2, RGM-1), ultramafic (DTS-2b, MUH-1, PCC-1, UB-N) and sedimentary (MAG-1, OU-6) rocks. Pressure digestion was applied for nonbasaltic samples to ensure effective sample digestion. For basaltic RMs, hot plate digestion was found to be sufficient for a quantitative recovery of the target elements. To minimise interferences and increase ion beam intensities during isotope ratio analyses by ICP-MS, separation of the target elements was carried out from single sample aliquots using a novel anion exchange procedure. The intermediate precision (2s) estimated from two to four replicate analyses was usually < 4% and results are in agreement with literature data, where available. Especially for Ag and Tl, the intermediate precision was compromised, likely due to low ion beam intensities and, hence, higher background and blank contributions. For ultramafic RMs, nugget effects and incomplete digestion might compromise the intermediate precision. Results for the carbonaceous chondrites Orgueil (CI1), Murchison (CM2) and Allende (CV3) agree well with previously reported data.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Braukmueller, NinjaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wombacher, FrankUNSPECIFIEDorcid.org/0000-0002-0755-8918UNSPECIFIED
Bragagni, AlessandroUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Muenker, CarstenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-318490
DOI: 10.1111/ggr.12352
Journal or Publication Title: Geostand. Geoanal. Res.
Volume: 44
Number: 4
Page Range: S. 733 - 753
Date: 2020
Publisher: WILEY
Place of Publication: HOBOKEN
ISSN: 1751-908X
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
VOLATILE TRACE-ELEMENTS; CHALCOPHILE ELEMENTS; CARBONACEOUS CHONDRITES; SIDEROPHILE ELEMENTS; OCEANIC BASALTS; MASS FRACTIONS; METEORITES; CADMIUM; EARTH; TINMultiple languages
Geochemistry & GeophysicsMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/31849

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