conference council'' url accessed april ref one technique proposed place books evacuated chamber introduce diethylzinc dez theory diethylzinc would react acidic residues paper leaving alkaline residue would protect paper degradation practice heating required remove trace water books reaction dez reacts violently water caused accelerated degradation paper range chemical reactions dez components book glues bindings caused damage production unpleasant smells regardless
Applied science Library and museum studies Mass deacidification