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Scientific Reports· 2019Q1

Surface chromium on Terracotta Army bronze weapons is neither an ancient anti-rust treatment nor the reason for their good preservation

Marcos Martinón‐Torres, Xiuzhen Li, Yin Xia, Agnese Benzonelli et al.

Short summary

Analysis of Terracotta Army bronze weapons reveals that surface chromium is not an ancient anti-rust treatment but rather contamination from chromium-rich lacquer applied to the artifacts, which leached into the metal after burial.

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Field: Archeology (Arts and Humanities)

ArcheologyArts and Humanities