Byrialsen, K. (contributor); Kristiansen, J. (contributor); … - European Communities.; European Commission / Joint … - 2004
This report documents the preparation, homogeneity, stability and certification of three liquid human serum materials, i.e. BCR-637, BCR-638 and BCR-639 with certified concentrations of aluminium, selenium and zinc. The homogeneity studies demonstrated that the materials are homogeneous with...