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acidic paper

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  • Paper — For other uses, see Paper (disambiguation). A stack of copy paper Paper is a thin material mainly used for wr …   Wikipedia

  • acidic — adjective a) Having a pH less than 7, or being sour, or having the strength to neutralize alkalis, or turning a litmus paper red. an acidic solution b) Containing a high percentage of silica; opposed to basic …   Wiktionary

  • Acid-free paper — is paper that has a neutral or basic pH (7 or slightly greater). It addresses the problem of preserving documents for long periods. Overview Paper made from wood based pulp that has not had its lignin removed goes yellow and deteriorates over… …   Wikipedia

  • United States Permanent Paper Law — The U.S. Permanent Paper Law, or P.L. 101 423, is a joint resolution calling for the use of acid free paper for federal records, books, and publications of enduring value. [http://www.gpo.gov/acquisition/paperspecs/118 119.txt] It was signed into …   Wikipedia

  • Wood-pulp paper — is paper made from wood pulp, which is produced from trees by a variety of mechanical and chemical processes. Paper made from wood pulp ranges from toilet paper (obviously a single use product) to newsprint (meant to be used once then recycled),… …   Wikipedia

  • litmus paper — A pH indicator paper. It turns red in acidic and blue in alkaline solutions …   Glossary of Biotechnology

  • Mass deacidification — is a term used in Library and Information Science for one possible measure against the degradation of paper in old books (the so called slow fires ). The goal of the process is to increase the pH of acidic paper on a large scale. Although acid… …   Wikipedia

  • Papermaking — [ thumb|230px|right|The Diamond Sutra of the Chinese Tang Dynasty, the oldest dated printed book in the world, found at Dunhuang, from 868 AD.] Papermaking is the process of making paper, a material which is used ubiquitously today for writing… …   Wikipedia

  • Double Fold — For the term double fold used in paper testing, see Double fold (paper testing) Double Fold: Libraries and the Assault on Paper is a non fiction book by Nicholson Baker that was published in April, 2001. An excerpt appeared in the July 24, 2000… …   Wikipedia

  • Preservation of magnetic audiotape — There are multiple types of magnetic media, however this article focuses on recommended best practices for handling, cleaning and storage of magnetic audiotapes in an archival repository, either in the form of open reels or enclosed cassettes.… …   Wikipedia

  • Preservation surveys — (also known as condition surveys, conservation needs surveys or preservation assessments) are a process of collecting and analyzing data about the physical condition of library materials. Preservation surveys are used by libraries to determine… …   Wikipedia

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