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MCI Project Summaries 2008 - Smithsonian Institution

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<strong>MCI</strong> 6174.11 Anchorage <strong>Project</strong>: Haida Halibut Hook<br />

<strong>MCI</strong> Staff: Jennifer Giaccai<br />

Identification of the coating was requested to help the conservator determine if the<br />

coating is a Native application. If the coating was found to be Native it would not be removed<br />

from the object. The coating is very soluble, and remains soft and easily penetrated with a<br />

needle. FTIR of the sample shows that the sample contains a resin, most likely shellac. The<br />

physical properties of the coating are explained by the use of an aged shellac solution, that<br />

results in a very soluble, soft coating, or a mixture of shellac with at least one other component.<br />

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