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ID: 300380067
Page Link: http://vocab.getty.edu/page/aat/300380067

 

Record Type: concept
halon (chlorofluorocarbon, organic material, ... Materials (hierarchy name))

 

Note: Generic name for any of a class of compounds formerly used as a fire-extinguishing agent. When exposed to flame, these chlorofluorocarbon gases release halogen atoms which interact with hydrogen atoms, suppressing combustion in the process. They also deplete the earth's ozone when exposed to solar ultraviolet light and have consequently been withdrawn from use. Included in the group are Halon: dichlorodifluoromethane, CCl2F2; Halon 1211: bromochlorodifluoromethane, CBrClF2; and Halon 1301: trifluorobromomethane, CBrF3.
 
Terms:
halon (preferred,C,U,English-P,D,U,N)
halons (C,U,English,UF,U,U)

Facet/Hierarchy Code:  M.MT

Hierarchical Position:

Hierarchy of Materials Facet
Materials Facet
Hierarchy of Materials (hierarchy name)
.... Materials (hierarchy name) (G)
Hierarchy of materials (substances)
........ materials (substances) (G)
Hierarchy of <materials by composition>
............ <materials by composition> (G)
Hierarchy of organic material
................ organic material (G)
Hierarchy of chlorofluorocarbon
.................... chlorofluorocarbon (G)
Hierarchy of halon
........................ halon (G)

Sources and Contributors:
halon............  [GCI Preferred, VP Preferred]
..............  AATA database (2002-) accessed 10 December 2012
..............  CAMEO chemicals [online] (2013-)
..............  Library of Congress Authorities online (2002-) accessed 10 December 2012
..............  McGraw-Hill Dictionary of Scientific and Technical Terms [online] (2003) accessed 10 December 2012
..............  Penguin Dictionary of Science [online] (2009) accessed 10 December 2012
halons............  [VP]
.................  CAMEO chemicals [online] (2013-)
 
Subject: .....  [VP]
 
Note:
English .......... [GCI, VP]
.......... AATA database (2002-) accessed 10 December 2012
.......... Library of Congress Authorities online (2002-) accessed 10 December 2012
.......... McGraw-Hill Dictionary of Scientific and Technical Terms [online] (2003) accessed 10 December 2012
.......... MFA Conservation and Art Material Encyclopedia Online: CAMEO (2005-)
.......... Penguin Dictionary of Science [online] (2009) accessed 10 December 2012

 

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