Difference between pages "Acidity" and "Bursting"

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[[File:52.265_acidity damage.jpg|thumb|Acidity damage]]
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[[File:Bursting-01_ICOMOS.jpg|thumb|Bursting <br>Photo credit: C. Franzen]]
 
== Description ==
 
== Description ==
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[[File:Bursting-02_ICOMOS.jpg|thumb|Bursting<br>Photo credit: E. Hyslop]]
  
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.
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A stone deterioration term for the loss of large pieces. Bursting is caused by internal or external stresses on the stone.  It can follow the lines of sedimentation layers and veins. Types of stress include earthquakes,  excess weight or the corrosion and expansion of interior metal joins.
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
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detachememnt; delamination”, “scaling” and “fragmentation
  
Säuregehalt (Deut.); acidité (Fr.);
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==Resources and Citations==
 
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* ICOMOS-ISCS: [http://www.international.icomos.org/publications/monuments_and_sites/15/pdf/Monuments_and_Sites_15_ISCS_Glossary_Stone.pdf Illustrated glossary on stone deterioration patterns]
== 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
 
 
 
* Website address 1  Comment: http://amol.org.au/recollections/7/a/htm
 
 
 
  
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* Barnoos, V., Oudbashi, O. & Shekofteh, A. The deterioration process of limestone in the Anahita Temple of Kangavar (West Iran). Herit Sci 8, 66 (2020). [https://doi.org/10.1186/s40494-020-00411-1 Link]
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Revision as of 09:11, 11 May 2022

Bursting
Photo credit: C. Franzen

Description

Bursting
Photo credit: E. Hyslop

A stone deterioration term for the loss of large pieces. Bursting is caused by internal or external stresses on the stone. It can follow the lines of sedimentation layers and veins. Types of stress include earthquakes, excess weight or the corrosion and expansion of interior metal joins.

Synonyms and Related Terms

detachememnt; delamination”, “scaling” and “fragmentation

Resources and Citations

  • Barnoos, V., Oudbashi, O. & Shekofteh, A. The deterioration process of limestone in the Anahita Temple of Kangavar (West Iran). Herit Sci 8, 66 (2020). Link

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