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Risks of iron gall ink on paper - Horizontal Dec 2 2005, Excess Fe, Cu.. cause by Ink composition, Excess Fe, Cu.. cause by Ink quantity, Depolymerization via oxidation Tᢈ°C; pHɴ? affected by Acid in paper, Transfer onto adjacent page cause by Binder break down, Paper - uninked areas breaks cause by Paper loses strength, Paper: tears and losses cause by Paper - uninked areas breaks, Moisture content accel. by Elevated RH, Loss of contrast cause by Darkening yellowing of paper, Paper in inked areas breaks cause by Paper loses strength, Loss of visual integrity cause by Loss of Information