| http://www.w3.org/ns/prov#value | - A process for deacidification of at least one book or other paper product comprising the steps of:a) predrying of the at least one book or other paper product to reduce the water content to a predetermined level by use of a vacuum; b) deacidifying the at least one book or other paper product using a solvent solution; and c) drying the at least one book or other paper product to reduce the solvent
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