TY - CONF A1 - Vogl, Jochen T1 - CCQM-P149 - Purity determination of zinc to be used as primary standard for zinc determination T2 - CCQM IAWG Meeting T2 - CCQM IAWG Meeting CY - Paris, France DA - 2015-04-16 PY - 2015 AN - OPUS4-33062 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -