期刊
GOLD BULLETIN
卷 41, 期 3, 页码 242-245出版社
WORLD GOLD COUNCIL
DOI: 10.1007/BF03214876
关键词
density; liquid; gold; levitation
Electrostatic levitation together with multi-beam laser heating and ultraviolet imaging made possible to handle a sample of liquid gold, without any contamination, and to determine its density over a large temperature range. Over the 1337-1800 K interval, the density of Au was measured as rho(T) = 1.74 x 10(4) - 1.44 (T-T-m) kg.m(-3), where T-m, the melting temperature, was 1337 K. These data yield a calculated volume expansion coefficient of 8.3x10(-5) K-1. The values agree well with the literature values.
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