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Bronze Cross-Cut
Bronze Cross-Cut
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Bronze Cross-Cut

This micrograph of a bronze dagger (R006764:02) was taken via electron microscopy to determine the distribution of the alloy elements. The regions of different colors represent different ratios of copper and tin, with the overall distribution appearing a tree-like structure. The white granules are lead particles precipitated from the copper-tin alloy.

Item No.
R006764:002
Period
殷商
Excavated/Findspot
河南安陽殷墟西北岡1004號墓
Notes
Microphotographer: Iizuka Yoshiyuki

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