Summary
Using Isotope Dilution Mass Spectrometry (IDMS) with thermal ionization, thallium concentrations were determined in reference materials from NIST and BCR, from other sources, and reference materials from the German Environmental Specimen Bank. 203Tl spike solution is applied for the isotope dilution technique. Thallium concentrations in the investigated materials range from 2.67 μg Tl·kg−1 to 963 μg Tl·kg−1 with a relative standard deviation from 0.14 to 10%. The detection limit was 0.1 ng thallium for this work.
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Waidmann, E., Hilpert, K. & Stoeppler, M. Thallium determination in reference materials by Isotope Dilution Mass Spectrometry (IDMS) using thermal ionization. Fresenius J Anal Chem 338, 572–574 (1990). https://doi.org/10.1007/BF00322542
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DOI: https://doi.org/10.1007/BF00322542