File:CCI 87306-0059.jpg
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Metal: White, powdery corrosion appears on the surface of some lead and pewter medallions and tokens in a storage drawer. Corrosion rates differ according to the alloy present and the stability of the patina. This corrosion is the result of products in the immediate environment that emit organic acids. Lead is particularly prone to this type of corrosion. Image credit: © Government of Canada, Canadian Conservation Institute. CCI, permission received 4/20/20 via email to rarenstein
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:58, 22 April 2020 | | 2,728 × 1,425 (767 KB) | Sspringer (talk | contribs) | Metal: White, powdery corrosion appears on the surface of some lead and pewter medallions and tokens in a storage drawer. Corrosion rates differ according to the alloy present and the stability of the patina. This corrosion is the result of products in... |
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