File:Indicator paper.JPG
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Photo of iron gall ink indicator paper. The paper was soaked in bathophenanthroline and stamped with iron gall ink. The ink will bleed pink with moisture, so the paper can be used to test repairs. If your repair causes the ink to bleed pink, it is introducing too much moisture. Photo by Melina Avery.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:46, 5 May 2020 | | 3,024 × 4,032 (1.08 MB) | Mavery (talk | contribs) | Photo of iron gall ink indicator paper. The paper was soaked in bathophenanthroline and stamped with iron gall ink. The ink will bleed pink with moisture, so the paper can be used to test repairs. If your repair causes the ink to bleed pink, it is intr... |
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