Heritage Science

Table 1 Surface chemical composition obtained by XRF

From: Formation mechanism of copper-gilded coronet ornaments excavated from a Sui or early Tang tomb situated in Xi’an, Shaanxi

Sample	Composition (wt.%)^a
Sample	Au	Hg	Cu
TB	70.4 ± 0.2	13.9 ± 0.2	15.7 ± 0.3
SD	63.5 ± 0.1	13.0 ± 0.2	23.5 ± 0.2
PS	36.1 ± 0.2	5.6 ± 0.1	58.3 ± 0.2
TS	36.2 ± 0.3	5.5 ± 0.1	58.3 ± 0.2
LS	40.2 ± 0.1	4.7 ± 0.2	55.0 ± 0.3
WS	40.0 ± 0.3	4.7 ± 0.2	55.4 ± 0.3

^aThe average value of multiple test results of multiple areas due to the non-uniformity of the surface composition

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