| 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.
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