Difference between pages "Forbes Pigment Database" and "Stand oil"

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[[File:Straus wall of pigments.jpg|thumb|Forbes Pigment Collection at Straus Art Center]]
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[[File:51-69_Stand.Oil_canvas.jpg|thumb|Stand oil]]
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== Description ==
  
The Forbes’ Pigment Collection contains over 3000 colorants assembled by the late Edward Waldo Forbes, former Director of the Fogg Art Museum at Harvard University (1909-1945). Currently, the core collection of pigments is housed in the Straus Center for Conservation at Harvard University while Forbes’ private collection of pigments resides at the Institute for Fine Arts Conservation Center at New York University. Contents of both collections were shared during his lifetime and after. Known subsets of these two collections exist in several additional laboratories around the world (see bottom of page for institution list). These colorants have been analyzed widely by most of the labs and thus the goal of this database is to provide one central, searchable, readily-accessible location for the compilation of any available information from all sources. The combination of this information will document the materials and aid in the determination of their compositions.
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A pale, thick, concentrated form of [[linseed%20oil|linseed oil]]. Stand oil is prepared by anaerobically heating linseed oil to about 300C. This allows the oil to partially polymerize without any [[oxidation|oxidation]] occurring. Aneorobic conditions are obtained using a vacuum or [[carbon%20dioxide|carbon dioxide]] atmosphere. Stand oil was likely developed by the Dutch in the 19th century. Stand oil dries more slowly and yellows less than untreated linseed oil. It forms a tough, flexible film that is resistant to weathering. Stand oils have been used in [[varnish|varnishes]], glazes, and as a high viscosity additive to other paint media. Half oil is 50% stand oil and 50% [[turpentine%20%28oil%29|turpentine]].
  
= Database setup =
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== Synonyms and Related Terms ==
Inventory lists and analysis results for the pigments are being added to the database as they are received. The pigment sets have varying numerical designations and limited bottle labeling. Where it appears that more than one lab has portions of the same sample (based on the number or label), the records are combined. The most common numbering systems are: 1) the 'new' system devised by Richard Buck based on the pigment’s color and chemical composition and 2) the 'old' or original numbers from the NYU collection. All numbers associated with a particular sample are included in the Pigment number field for searching purposes.
 
  
[[[PigmentsContents]]]
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Standöle (Deut.); standoil (It); olio standolizzato (It); half oil; standoil; polymerized oil; lithographic oil; English oil varnish;
<categorytree mode="pages">Pigments Categories</categorytree>
 
  
= Institution list =
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== Physical and Chemical Properties ==
While this list may not be comprehensive, the following institutions are recognized as having subsets of these two collections.  Additionally, many institutions further developed their collections with additional materials. One significant set is a collection of Asian pigments produced by Rutherford Gettens, Fogg Art Museum, and Richard Buck, Intermuseum Conservation Laboratory. This collection now resides at the Asian Art Museum in San Francisco and small subsets exist in other labs.
 
  
Forbes' core collection:  
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* Iodine number is lower than linseed oil.  
• [[Category:Forbes Pigment Labs: SCC-Cambridge MA]]Straus Center for Conservation (formerly the Fogg Art Museum) Harvard University Art Museums, Cambridge MA
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* Produces a greenish iridescent fluorescence.
• Art Institute of Chicago, Chicago IL
 
• Balboa Art Conservation Center, San Diego CA
 
• Edson Motta, Rio de Janeiro, Brazil
 
• Freer Gallery of Art, Washington DC
 
• Institute of Fine Arts, Conservation Center, New York University, New York, NY
 
• [[Category:Forbes Pigment Labs: ICA-Cleveland]] Intermuseum Conservation Laboratory, Cleveland OH (formerly Oberlin OH)
 
• [[Category:Forbes Pigment Labs: PMA]] Philadelphia Museum of Art, Philadelphia PA
 
• Yale University Art Gallery, New Haven CT
 
  
Forbes' private collection:
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==Resources and Citations==
• [[Category:Forbes Pigment Labs: IFA-NYU]]Institute of Fine Arts, Conservation Center, New York University, New York NY
 
• Art Conservation Research Center, Carnegie Mellon University, Pittsburgh PA
 
• [[Category:Forbes Pigment Labs: Brooklyn Museum]] Brooklyn Museum, Brooklyn, NY
 
• [[Category:Forbes Pigment Labs: Buffalo State]] Buffalo State College Art Conservation Department (formerly the Cooperstown Graduate Programs), Buffalo NY
 
• [[Category:Forbes Pigment Labs: DIA-Detroit]]Detroit Institute of Arts, Detroit MI
 
• Doerner Institute, Munich, Germany
 
• Intermuseum Conservation Laboratory, Oberlin OH
 
• [[Category:Forbes Pigment Labs: Library of Congress]]Library of Congress Restoration Office, Washington DC
 
• [[Category:Forbes Pigment Labs: McRI-Chicago]]McCrone Research Laboratory, Chicago, IL
 
• Metropolitan Museum of Art, New York NY
 
• [[Category:Forbes Pigment Labs: MFA-Boston]] Museum of Fine Arts, Boston MA
 
• National Gallery of Canada, Ottawa, Ontario, Canada
 
• National Research Laboratory for Conservation, New Delhi, India
 
• University of Stellenbosch, Stellenbosch, South Africa
 
• [[Category:Forbes Pigment Labs: Walters-Baltimore]]Walters Art Gallery, Baltimore MD
 
• [[Category:Forbes Pigment Labs: Winterthur]]Winterthur Museum, Winterthur DE
 
  
[[Category:Reference Collections]]
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* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966
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* M. Doerner, ''The Materials of the Artist'', Harcourt, Brace & Co., 1934
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 458
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* Reed Kay, ''The Painter's Guide To Studio Methods and Materials'', Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983
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* Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing)
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* Hermann Kuhn, ''Conservation and Restoration of Works of Art and Antiquities'', Butterworths, London, 1986
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* Pam Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002
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* Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
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[[Category:Materials database]]

Latest revision as of 14:52, 4 June 2022

Stand oil

Description

A pale, thick, concentrated form of Linseed oil. Stand oil is prepared by anaerobically heating linseed oil to about 300C. This allows the oil to partially polymerize without any Oxidation occurring. Aneorobic conditions are obtained using a vacuum or Carbon dioxide atmosphere. Stand oil was likely developed by the Dutch in the 19th century. Stand oil dries more slowly and yellows less than untreated linseed oil. It forms a tough, flexible film that is resistant to weathering. Stand oils have been used in varnishes, glazes, and as a high viscosity additive to other paint media. Half oil is 50% stand oil and 50% turpentine.

Synonyms and Related Terms

Standöle (Deut.); standoil (It); olio standolizzato (It); half oil; standoil; polymerized oil; lithographic oil; English oil varnish;

Physical and Chemical Properties

  • Iodine number is lower than linseed oil.
  • Produces a greenish iridescent fluorescence.

Resources and Citations

  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
  • M. Doerner, The Materials of the Artist, Harcourt, Brace & Co., 1934
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 458
  • Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
  • Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002

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