| 摘要 |
THE INVENTION RELATES TO A GOLD ALLOY CONTAINING 99 WT.%, PREFERABLY 99.9 WT.% GOLD, AND 1 TO 1000 PPM, PREFERABLY 10 TO 100 PPM CALCIUM, AND 1 TO 1000 PPM, PREFERABLY 10 TO 100 PPM YTTERBIUM OR EUROPIUM OR A MIXTURE OF YTTERBIUM AND EUROPIUM, AS WELL AS A METHOD FOR PRODUCING A HOMOGENEOUS GOLD ALLOY CONTAINING EUROPIUM AND/OR YTTERBIUM. |
