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The Effect of Calcium Carbonate on the Stability of Acid Treated Papers

by: Graminski, E.L.; Parks, E.J.

Publication date: 1981

Topics: alkaline reserve, cellulose stabilizers, paper deacidification, paper destabilization, paper permanence, pH history.

Publisher: National Institute of Standards and Technology

Collection: NISTJournalofResearch; NISTresearchlibrary; fedlink

Language: English

Volume: 86

Journal of Research of the National Bureau of Standards

Abstract: Exposure of kraft wood pulps to an acidic medium results in a destabilization of wood pulp. The degree of destabilization appears to depend on the concentration of acid the pulp is exposed to. The addition of calcium carbonate to acid destabilized pulp does not restore the pulp to its original stability. The absorption of alkali metals is pH dependent which could explain the destabilization of wood pulps when exposed to an acid medium. A number of questions arise about the merit of stabilizing degraded paper documents by deacidification with alkaline earth salts and the usefulness of an alkaline reserve in paper.

Addeddate: 2012-01-05 16:16:33

Cite: J. Res. Natl. Bur. Stand. Vol. 86, No. 3, p. 309

Identifier: jresv86n3p309_A1b

Identifier-ark: ark:/13960/t0ks7qv2h

Issue: 3

Ocr: ABBYY FineReader 8.0

Page: 309

Ppi: 400

Rights: The Journal of Research of the National Institute of Standards and Technology is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. However, please pay special attention to the