The impact of gallic acid on iron gall ink corrosion

  title={The impact of gallic acid on iron gall ink corrosion},
  author={Veronique Rouchon-Quillet and C{\'e}line R{\'e}mazeilles and Jacky Bernard and Alain Wattiaux and L{\'e}opold Fourn{\`e}s},
  journal={Applied Physics A},
Many old manuscripts suffer from iron-gall ink corrosion, threatening our graphic heritage. Corroded papers become brown and brittle with age. The chemical reactions involved in this corrosion are relatively well known: they include both acidic hydrolysis and oxidation catalysed by free iron(II). Yet, a great variety of iron-gall ink recipes, including a wide range of constituents can be found in the literature and the visual aspect of old inks, can be very different from one inscription to… 

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