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Table 1 Element compositions (wt%) of the selected exterior surfaces and detecting points of the silver box

From: Study on a silver box unearthed from the Tang Dynasty (AD 618–907) tomb at Xiaolizhuang Site, Henan Province, China

  Ag Au Hg Si Backscattered electron images indicate the scanning points
Surface scanning of the central region 3.15 86.9 9.94   View full size image
Point A 1.52 88.8 8.93 0.73
Point B 6.9 82.9 9.4 0.7
Surface scanning of the outline of petal 1.57 86.8 11.5   View full size image
Point C 1.52 88.8 8.93 0.73
Point D 1.84 89.2 8.27 0.71
Point E 4.25 82.5   6.25
Surface scanning of the Tang grass grain 4.9 83.1 11.5 0.5