The complementary use of radioanalytical methods and trace analysis methods for the characterisation of environmental IAEA reference materials |
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Authors: | P. De Regge K. Burns M. Campbell M. Makarewicz A. Markowicz M. Mattiuzzi A. Tajani A. Toervenyi E. Zeiller |
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Affiliation: | (1) Seibersdorf Laboratories, International Atomic Energy Agency, P.O. Box 100, Wagramer Strasse 5, A-1400 Vienna, Austria |
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Abstract: | The IAEA laboratories have access to both nuclear analytical methods and conventional instrumental methods for trace analysis for the characterisation of its environmental and biological reference materials. A technical concept integrating the homogeneity data, the recommended test portion mass and the uncertainty on the trace element concentrations is explored using a combination of INAA, XRF, ICP-MS, ICP-AES, and AAS. The above approach is illustrated by selected examples of reference materials currently under evaluation for their trace element content. They include some or all of the following elements Al, As, Br, Ca, Cd, Co, Cr, Cs, Cu, Fe, Hg, K, Mg, Mn, Mo, Na, Ni, Pb, Rb, Se, Sr, Th, U, Zn in environmental biomonitor organisms (lichen, algae) and air dust filters. |
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