🔄FROM THE ARCHIVE: Scientists Find Out Why the Terracotta Army's Weapons Were So Well Preserved
shows that… maybe not so much. “The chromium anti-rust treatment theory should,” the international team of authors writes, “be abandoned.” The reasoning is simple: Chromium only appeared in a few weapons, had little to do with actual preservation and was likely related to an entirely different, and explainable, process. Instead, the authors propose some possible reasons for the weapon preservation that have actual evidence behind them.
Detail from the grip and blade from one of the Terracotta Army swords. In most of the swords analysed, the highest concentrations of chromium are detected in the guard and other fittings, which would have been in contact with the lacquered organic parts. First of all, it turned out the chromium wasn’t even that prevalent. It only appeared in 37 of the 464 weapon samples the team studied — not the kind of wide-spread use you’d expect of a deliberate strengthening treatment. And the analysis also revealed an even bigger reason to distrust the CCC theory: The best preserved weapons weren’t even the ones with the most chromium, and vice versa.
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