J. Vogl, D. Liesegang, M. Ostermann, J. Diemer, M. Berglund, C. R. Quétel, P. D. P. Taylor, K. G. Heumann
The present paper describes the certification of the amount content of Cd, Cr and Pb in two different polyethylene materials within the third phase of the Polyethylene Elemental Reference Material (PERM) project. The analytical procedure to establish the reference values for Cd, Cr and Pb amount contents in these materials is based on isotope dilution mass spectrometry used as a primary method of...... hiện toàn bộ