Organic acid - Revision history

MDerrick at 19:07, 17 July 2023

2023-07-17T19:07:10Z

← Older revision		Revision as of 15:07, 17 July 2023
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	A broad class of non-mineral acids that include [[formic%20acid\|formic]], [[acetic%20acid\|acetic]], [[lactic%20acid\|lactic]], [[oxalic%20acid\|oxalic]], [[citric%20acid\|citric]], [[stearic%20acid\|stearic]], and [[tannic%20acid\|tannic]] acids. Organic acids occur naturally in plants, fruits, animals, and microorganisms. They are much weaker proton donors than mineral acids, but can still have detrimental effects on materials, such as paper, leather, metals, and photographs. Of concern in a museum environment is the volatility of many of organic acids and their ubiquitous presence in many materials.		A broad class of non-mineral acids that include [[formic%20acid\|formic]], [[acetic%20acid\|acetic]], [[lactic%20acid\|lactic]], [[oxalic%20acid\|oxalic]], [[citric%20acid\|citric]], [[stearic%20acid\|stearic]], and [[tannic%20acid\|tannic]] acids. Organic acids occur naturally in plants, fruits, animals, and microorganisms. They are much weaker proton donors than mineral acids, but can still have detrimental effects on materials, such as paper, leather, metals, and photographs. Of concern in a museum environment is the volatility of many of organic acids and their ubiquitous presence in many materials.

	[[File:Image3_802331.jpg\|thumb\|~~Complex organic acid salts~~]]		[[File:Image3_802331.jpg\|thumb\|Salts on ceramic pot]]
	== Synonyms and Related Terms ==		== Synonyms and Related Terms ==

MDerrick at 19:16, 26 July 2022

2022-07-26T19:16:10Z

← Older revision		Revision as of 15:16, 26 July 2022
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	carboxylic acid		carboxylic acid

	== ~~Additional Information~~ ==		==Resources and Citations==

	P.Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002.		* P.Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002.

	~~== Sources Checked for Data in Record ==~~

	* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966		* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966

Jruggiero: Text replace - "\[http:\/\/cameo\.mfa\.org\/materials\/fullrecord\.asp\?name=([^\s]+)\s(.*)\]" to "$2"

2016-05-10T16:00:07Z

Text replace - "\[http:\/\/cameo\.mfa\.org\/materials\/fullrecord\.asp\?name=([^\s]+)\s(.*)\]" to "$2"

← Older revision		Revision as of 12:00, 10 May 2016
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	== Description ==		== Description ==

	A broad class of non-mineral acids that include [~~http://cameo.mfa.org/materials/fullrecord.asp?name=~~formic%20acid formic], [~~http://cameo.mfa.org/materials/fullrecord.asp?name=~~acetic%20acid acetic], [~~http://cameo.mfa.org/materials/fullrecord.asp?name=~~lactic%20acid lactic], [~~http://cameo.mfa.org/materials/fullrecord.asp?name=~~oxalic%20acid oxalic], [~~http://cameo.mfa.org/materials/fullrecord.asp?name=~~citric%20acid citric], [~~http://cameo.mfa.org/materials/fullrecord.asp?name=~~stearic%20acid stearic], and [~~http://cameo.mfa.org/materials/fullrecord.asp?name=~~tannic%20acid tannic] acids. Organic acids occur naturally in plants, fruits, animals, and microorganisms. They are much weaker proton donors than mineral acids, but can still have detrimental effects on materials, such as paper, leather, metals, and photographs. Of concern in a museum environment is the volatility of many of organic acids and their ubiquitous presence in many materials.		A broad class of non-mineral acids that include [[formic%20acid\|formic]], [[acetic%20acid\|acetic]], [[lactic%20acid\|lactic]], [[oxalic%20acid\|oxalic]], [[citric%20acid\|citric]], [[stearic%20acid\|stearic]], and [[tannic%20acid\|tannic]] acids. Organic acids occur naturally in plants, fruits, animals, and microorganisms. They are much weaker proton donors than mineral acids, but can still have detrimental effects on materials, such as paper, leather, metals, and photographs. Of concern in a museum environment is the volatility of many of organic acids and their ubiquitous presence in many materials.

	[[File:Image3_802331.jpg\|thumb\|Complex organic acid salts]]		[[File:Image3_802331.jpg\|thumb\|Complex organic acid salts]]

Jruggiero: Text replace - "== Authority ==" to "== Sources Checked for Data in Record =="

2016-05-01T19:22:03Z

Text replace - "== Authority ==" to "== Sources Checked for Data in Record =="

← Older revision		Revision as of 15:22, 1 May 2016
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	P.Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002.		P.Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002.

	== ~~Authority~~ ==		== Sources Checked for Data in Record ==

	* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966		* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966

Unknown user at 12:22, 24 July 2013

2013-07-24T12:22:00Z

← Older revision		Revision as of 08:22, 24 July 2013
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	== Description ==		== Description ==

	A broad class of non-mineral acids that include [http://cameo.mfa.org/materials/fullrecord.asp?name=formic ~~acid~~ formic], [http://cameo.mfa.org/materials/fullrecord.asp?name=acetic ~~acid~~ acetic], [http://cameo.mfa.org/materials/fullrecord.asp?name=lactic ~~acid~~ lactic], [http://cameo.mfa.org/materials/fullrecord.asp?name=oxalic ~~acid~~ oxalic], [http://cameo.mfa.org/materials/fullrecord.asp?name=citric ~~acid~~ citric], [http://cameo.mfa.org/materials/fullrecord.asp?name=stearic ~~acid~~ stearic], and [http://cameo.mfa.org/materials/fullrecord.asp?name=tannic ~~acid~~ tannic] acids. Organic acids occur naturally in plants, fruits, animals, and microorganisms. They are much weaker proton donors than mineral acids, but can still have detrimental effects on materials, such as paper, leather, metals, and photographs. Of concern in a museum environment is the volatility of many of organic acids and their ubiquitous presence in many materials.		A broad class of non-mineral acids that include [http://cameo.mfa.org/materials/fullrecord.asp?name=formic%20acid formic], [http://cameo.mfa.org/materials/fullrecord.asp?name=acetic%20acid acetic], [http://cameo.mfa.org/materials/fullrecord.asp?name=lactic%20acid lactic], [http://cameo.mfa.org/materials/fullrecord.asp?name=oxalic%20acid oxalic], [http://cameo.mfa.org/materials/fullrecord.asp?name=citric%20acid citric], [http://cameo.mfa.org/materials/fullrecord.asp?name=stearic%20acid stearic], and [http://cameo.mfa.org/materials/fullrecord.asp?name=tannic%20acid tannic] acids. Organic acids occur naturally in plants, fruits, animals, and microorganisms. They are much weaker proton donors than mineral acids, but can still have detrimental effects on materials, such as paper, leather, metals, and photographs. Of concern in a museum environment is the volatility of many of organic acids and their ubiquitous presence in many materials.

	[[File:Image3_802331.jpg\|thumb\|Complex organic acid salts]]		[[File:Image3_802331.jpg\|thumb\|Complex organic acid salts]]
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	== Authority ==		== Authority ==

	* ~~R. J. Gettens, G.L. Stout,~~ R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966		* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966

	* ~~G.S.Brady,~~ G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 313		* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 313

	* ~~Richard S. Lewis,~~ Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993		* 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		* Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982

	* ~~Random House,~~ Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997		* Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997



	[[Category:Materials database]]		[[Category:Materials database]]

Unknown user at 18:01, 27 April 2013

2013-04-27T18:01:12Z

New page

[[File:Image3_802329.jpg|thumb|Blue-green corrosion]]
== Description ==

A broad class of non-mineral acids that include [http://cameo.mfa.org/materials/fullrecord.asp?name=formic acid formic], [http://cameo.mfa.org/materials/fullrecord.asp?name=acetic acid acetic], [http://cameo.mfa.org/materials/fullrecord.asp?name=lactic acid lactic], [http://cameo.mfa.org/materials/fullrecord.asp?name=oxalic acid oxalic], [http://cameo.mfa.org/materials/fullrecord.asp?name=citric acid citric], [http://cameo.mfa.org/materials/fullrecord.asp?name=stearic acid stearic], and [http://cameo.mfa.org/materials/fullrecord.asp?name=tannic acid tannic] acids. Organic acids occur naturally in plants, fruits, animals, and microorganisms. They are much weaker proton donors than mineral acids, but can still have detrimental effects on materials, such as paper, leather, metals, and photographs. Of concern in a museum environment is the volatility of many of organic acids and their ubiquitous presence in many materials.

[[File:Image3_802331.jpg|thumb|Complex organic acid salts]]
== Synonyms and Related Terms ==

carboxylic acid

== Additional Information ==

P.Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002.

== Authority ==

* R. J. Gettens, G.L. Stout, R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966

* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 313

* Richard S. Lewis, 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

* Random House, Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997

[[Category:Materials database]]