TY - RPRT A1 - Meier, Klaus A1 - Wäthen, U. A1 - Kipphardt, Heinrich A1 - Lamberty, A. A1 - Robouch, P. T1 - The certification of the mass fraction of Cd, Cu, Fe, Pb, Sn and TI in four grades of unalloyed zinc intended for use in emission spectrometry - BCR-322R, BCR-323R, BCR-324R, BCR-325R, Project Report EUR 20267 EN PY - 2002 SN - 92-894-3706-5 SP - 1 EP - 55 PB - Office for Official Publications of the European Communities CY - Luxembourg AN - OPUS4-1606 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -