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Risks of iron gall ink on paper - Dec 5 2005, Darkening yellowing of paper result of Previously oxidized paper, Excess Fe, Cu.. result of Ink composition, Excess Fe, Cu.. result of Ink quantity, Ink fading result of Previous alkaline treatment of oxidized paper, Darkening yellowing of paper result of Previous alkaline treatment of oxidized paper, Paper - uninked areas breaks result of Paper loses strength, Paper: tears and losses result of Paper - uninked areas breaks, Depolymerization via oxidation Tᢈ°C; pHɴ? result of Cellulose reaction with oxygen, Cellulose reaction with moisture accel. by Elevated RH, Paper in inked areas breaks result of Paper loses strength