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Issue 1, 2010
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Study on microscopic homogeneity of polymeric candidate reference materials BAM H001–BAM H010 by means of synchrotronµ-XRF and LA-ICP-MS

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Abstract

In this study the microscopic homogeneity of the newly developed plastic reference materials BAM H001–BAM H010 was investigated. The materials consist of an acrylonitryle-butadien-styrene terpolymer, doped with different amounts of the elements Br, Cd, Cr, Hg and Pb. For the quantitative determination of the degree of homogeneity, a procedure proposed by Kempenaers et al. (Fresenius J. Anal. Chem., 2001, 369, 733–737) was used. On every sample an extensive number of different points were analyzed and standard deviation for every element mentioned above was used to calculate a minimal sampling mass that is necessary to reach a certain level of uncertainty caused by inhomogeneity (mmin,5%). The experiments were taken out with synchrotron µ-XRF (SR µ-XRF) at BESSYII in Berlin and by laser ablation inductively coupled plasma mass spectroscopy (LA-ICP-MS). The calculated values for mmin,5% of both techniques showed comparable results for all elements. It could be shown that the materials are suitable for calibration of micro analytic techniques if at least 64 µg are used.

Graphical abstract: Study on microscopic homogeneity of polymeric candidate reference materials BAM H001–BAM H010 by means of synchrotron µ-XRF and LA-ICP-MS

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Article information


Submitted
18 Aug 2009
Accepted
16 Nov 2009
First published
19 Nov 2009

J. Anal. At. Spectrom., 2010,25, 40-43
Article type
Paper

Study on microscopic homogeneity of polymeric candidate reference materials BAM H001–BAM H010 by means of synchrotron µ-XRF and LA-ICP-MS

C. Simons, C. Mans, S. Hanning, A. Janßen, M. Radtke, U. Reinholz, M. Ostermann, M. Michaelis, J. Wienold, D. Alber and M. Kreyenschmidt, J. Anal. At. Spectrom., 2010, 25, 40
DOI: 10.1039/B917008A

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