Gall-10rar < HOT >

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 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). Gall-10rar

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: The test paper is moistened and applied to the ink

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 These ions are responsible for iron gall ink