Difference between revisions of "Tarnish"

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[[File:Image3_802354.jpg|thumb|'''MFA Acc. #:''' 02.211]]
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[[File:Image3_802354.jpg|thumb|tarnished knife<br>MFA# 02.211]]
 
== Description ==
 
== Description ==
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[[File:11.10166_det2.jpg|thumb|Tarnish details on inlays<br>MFA# 11.10166]]
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A discoloration or dulling of a metal surface due [[oxidation|oxidation]] or other chemical reactions. Atmospheric pollutants, such as [[sulfur%20oxide|sulfur oxides]], react with [[silver|silver]] to form a black [[silver%20sulfide|silver sulfide]] tarnish. Addition of [[indium|indium]] to the silver alloy will increase its tarnish resistance (Lewis 1993). [[Copper|Copper]], [[brass|brass]], and [[aluminum|aluminum]] are also susceptible to tarnishing.
  
A discoloration or dulling of a metal surface due [http://cameo.mfa.org/materials/fullrecord.asp?name=oxidation oxidation] or other chemical reactions. Atmospheric pollutants, such as [http://cameo.mfa.org/materials/fullrecord.asp?name=sulfur oxide sulfur oxides], react with [http://cameo.mfa.org/materials/fullrecord.asp?name=silver silver] to form a black [http://cameo.mfa.org/materials/fullrecord.asp?name=silver sulfide silver sulfide] tarnish. Addition of [http://cameo.mfa.org/materials/fullrecord.asp?name=indium indium] to the silver alloy will increase its tarnish resistance (Lewis 1993). [http://cameo.mfa.org/materials/fullrecord.asp?name=Copper Copper], [http://cameo.mfa.org/materials/fullrecord.asp?name=brass brass], and [http://cameo.mfa.org/materials/fullrecord.asp?name=aluminum aluminum] are also susceptible to tarnishing.
 
 
[[File:11.10166_det2.jpg|thumb|Tarnish]]
 
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
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<gallery>
 
<gallery>
File:1999.256.1_tnsh.pot.jpg|Tarnish
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File:1999.256.1_tnsh.pot.jpg|Tarnish on silver pitcher
File:1999.256.1_tnish.det.jpg|Tarnish
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File:1999.256.1_tnish.det.jpg|Tarnish on bottom of silver tray
File:1999.256.1_tnsh.tray.jpg|Tarnish
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File:1999.256.1_tnsh.tray.jpg|Tarnish on silver tray
 
</gallery>
 
</gallery>
  
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==Resources and Citations==
  
== Authority ==
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* Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)
 
 
* Ralph Mayer, Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)
 
  
* Richard S. Lewis, Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
  
* Matt Roberts, Don Etherington, 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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* Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982
  
* Website address 1, Website address 1  Comment: AMOL reCollections Glossary -http://amol.org.au/recollections/7/c/htm
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* AMOL reCollections Glossary -http://amol.org.au/recollections/7/c/htm
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 08:33, 8 June 2022

tarnished knife
MFA# 02.211

Description

Tarnish details on inlays
MFA# 11.10166

A discoloration or dulling of a metal surface due Oxidation or other chemical reactions. Atmospheric pollutants, such as sulfur oxides, react with Silver to form a black Silver sulfide tarnish. Addition of Indium to the silver alloy will increase its tarnish resistance (Lewis 1993). Copper, Brass, and Aluminum are also susceptible to tarnishing.

Synonyms and Related Terms

silver tarnish

Additional Images

Resources and Citations

  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982