Počet záznamů: 1
Lead Isotopic Composition in Biogenic Certified Reference Materials Determined by Different ICP-based Mass Spectrometric Techniques
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SYSNO ASEP 0443427 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Lead Isotopic Composition in Biogenic Certified Reference Materials Determined by Different ICP-based Mass Spectrometric Techniques Tvůrce(i) Ďurišová, J. (CZ)
Ackerman, L. (CZ)
Strnad, L. (CZ)
Chrastný, V. (CZ)
Borovička, Jan (UJF-V) RID, ORCID, SAICelkový počet autorů 5 Zdroj.dok. Geostandards and Geoanalytical Research. - : Wiley - ISSN 1639-4488
Roč. 39, č. 2 (2015), s. 209-220Poč.str. 12 s. Forma vydání Tištěná - P Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova Pb isotopes ; Pb-206 ; Pb-207 ; Pb-208 ; ICP-MS ; certified reference materials ; vegetation Vědní obor RIV CB - Analytická chemie, separace CEP GAP504/11/0484 GA ČR - Grantová agentura ČR Institucionální podpora UJF-V - RVO:61389005 UT WOS 000352026200005 EID SCOPUS 84925869762 DOI 10.1111/j.1751-908X.2014.00280.x Anotace This work presents data for the radiogenic Pb isotopic ratios (206Pb/207Pb and 208Pb/206Pb) in nine biogenic certified reference materials (NIST SRM 1515, 1566b, 1570a, 1573a, 1575a; BCR 100, BCR 101, BCR 670 and IAEA 359), which are suitable for analytical quality control in environmental research. The results were obtained using three different types of ICP-based mass spectrometer (quadrupole-based/magnetic sector field single-collector ICP-MS instruments and a multi-collector ICP-MS) and applying different mass bias correction procedures (calibrator-sample bracketing and external Tl normalisation) with and without Pb separation from the matrix using ion exchange chromatography. In the majority of the samples, the measurements from all three of the ICP-MS instruments were in agreement within ± 0.1%, despite the lower analytical precision of the single-collector ICP-MS instruments. We demonstrate that the presence of the sample matrix did not significantly influence the Pb isotopic ratios measured by magnetic sector field ICP-MS, whereas the use of the two different mass bias corrections resulted in a systematic difference of 0.09% for the 208Pb/206Pb ratio Pracoviště Ústav jaderné fyziky Kontakt Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Rok sběru 2016
Počet záznamů: 1