It can be purchased through archival and conservation supply stores, such as Conservation Resources or Conservation Supplies Australia . If you'd like, I can: Provide instructions on how to use the test paper
The (sometimes referred to as iron gall test paper) is a specially designed, non-bleeding test paper used in conservation to detect iron (II) ions in hydrophilic substrates. Key details about this paper include: Gall-10rar
The test paper is moistened and applied to the ink. If iron (II) ions are present, the test paper changes color (turns a red/purple complex) due to the indicator bathophenanthroline reacting with the iron. It can be purchased through archival and conservation
Explain how to once it is detected Suggest storage methods to prevent further degradation Let me know what you'd like to explore further. Iron Gall Ink Test Paper - Conservation Supplies Australia If iron (II) ions are present, the test