31639 2014 eng 24 25 9-10 17 article GIT Verl. Darmstadt 0 -- -- -- To gold they tend, on gold depend, all things - Certified reference materials for the analysis of gold-alloys BAM Federal Institute for Materials Research and Testing certified three gold-based reference materials (CRMs) suitable for X-ray fluorescence spectrometry (rose gold, white gold, yellow gold). The mass fractions of the alloying elements gold, silver and partially copper, nickel and zinc were certified. Characterization of the CRMs was performed using wet chemical methods and fire assay. GIT laboratory journal Europe 34668 1434-2634 0 Sebastian Recknagel eng uncontrolled Edelmetalle eng uncontrolled Referenzmaterialien Verlagsliteratur Datei im Netzwerk der BAM verfügbar ("Closed Access")