Difference between pages "Acid-free leather" and "Acidity"

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[[File:52.265_acidity damage.jpg|thumb|Acidity damage]]
 
== Description ==
 
== Description ==
  
Leather that has been washed and treated to removed residual acids from the cleaning and tanning processes. Some tanning agents, such as [[myrobalan%20extract|myrobalans]], and pigments, such as [[zinc%20oxide|zinc oxide]], provide acid-buffering in the leather.
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The amount or degree of acid present in a material. Acidity is normally expressed in terms of [[pH|pH]]. Compounds with a pH below 7.0 are acidic. Acidity increases as the pH approaches 1.0.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
acid free leather
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Säuregehalt (Deut.); acidité (Fr.);
  
==Resources and Citations==
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== Risks ==
  
* Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982
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Acidic compounds are reactive often irreversibly change adjacent compounds.
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== Sources Checked for Data in Record ==
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* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998
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* Website address 1  Comment: http://amol.org.au/recollections/7/a/htm
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Revision as of 16:11, 23 April 2022

Acidity damage

Description

The amount or degree of acid present in a material. Acidity is normally expressed in terms of PH. Compounds with a pH below 7.0 are acidic. Acidity increases as the pH approaches 1.0.

Synonyms and Related Terms

Säuregehalt (Deut.); acidité (Fr.);

Risks

Acidic compounds are reactive often irreversibly change adjacent compounds.

Sources Checked for Data in Record

  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

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