Gall-10rar Official

It is used by conservators to test manuscripts and documents without damaging them because it is non-bleeding.

Developed by the Conservation Research Department at the Netherlands Institute for Cultural Heritage (ICN). Gall-10rar

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 It is used by conservators to test manuscripts

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. Iron Gall Ink Test Paper - Conservation Supplies

It identifies the presence of iron (II) ions (ferrous ions). These ions are responsible for iron gall ink corrosion , a destructive process that causes ink to eat through paper (oxidative degradation of cellulose).