Abstract: The Bundesanstalt fur Materialforschung und -prufung, BAM (Federal Institute for Materials Research and Testing) continues to establish a system of primary reference materials to meet the demands of metrological traceability. The materials act as national standards in the field of elemental analysis. For all elements of the periodic table-excepting those that are gases or radioactive-two different kinds of reference materials are being certified. The substances are of very high purity and of defined stoichiometry. Pure elements and metals are u...
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Topics: 
Metallurgy
Process engineering