Summary
Samples of water and suspended particulate matter from the river Elbe were repeatedly analysed by means of TXRF spectrometry. In 10 independent determinations, no significant influence in the results by sample inhomogeneity was detectable for the aqueous as well as for the solid phase. To verify the accuracy of TXRF data for these kinds of samples, standard reference materials NIST 1573, 1633a, and 1643c were analysed together with the river samples. Excellent agreement was found between these measurements and the reference values.
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References
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Reus, U., Markert, B., Hoffmeister, C. et al. Determination of trace metals in river water and suspended solids by TXRF spectrometry. Fresenius J Anal Chem 347, 430–435 (1993). https://doi.org/10.1007/BF00635470
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DOI: https://doi.org/10.1007/BF00635470