Difference between revisions of "Beilstein test"

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== Additional Information ==
 
== Additional Information ==
  
° N.Odegaard, S.Carroll, W.Zimmt, ''Material Characterization Tests for Objects of Art and Archaeology'' Archetype Publications, London, 2000, p. 106. ° S.Williams, The Beilstein Test: A Simple Test to Screen Organic and Polymeric Materials for the Presence of Chlorine. ''CCI Notes'' No. 17/1, Canadian Conservation Institute, Ottawa, 1989.
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° N.Odegaard, S.Carroll, W.Zimmt, ''Material Characterization Tests for Objects of Art and Archaeology'' Archetype Publications, London, 2000, p. 106.  
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° S.Williams, The Beilstein Test: A Simple Test to Screen Organic and Polymeric Materials for the Presence of Chlorine. ''CCI Notes'' No. 17/1, Canadian Conservation Institute, Ottawa, 1989.
  
 
== Authority ==
 
== Authority ==

Revision as of 13:20, 8 January 2014

Description

A flame test used to detect the presence of halogens in organic compounds. The Beilstein test is commonly used to identify Polyvinyl chloride (PVC). To conduct the test, a piece of Copper wire or copper gauze placed in a flame to burn off impurities. When the flame shows no green, the copper wire is removed and a small piece or drop of the material to be tested is placed on its surface, then metal is returned to the flame. A green flame is a positive result for the presence of a halogen compound.

Synonyms and Related Terms

"pyrolysis test for chlorine; Beilsteinprobe (Deut.)

Other Properties

Fluorine is not detected by this test.

Fingerprints may give a false positive result.

Additional Information

° N.Odegaard, S.Carroll, W.Zimmt, Material Characterization Tests for Objects of Art and Archaeology Archetype Publications, London, 2000, p. 106.

° S.Williams, The Beilstein Test: A Simple Test to Screen Organic and Polymeric Materials for the Presence of Chlorine. CCI Notes No. 17/1, Canadian Conservation Institute, Ottawa, 1989.

Authority

  • N.Odegaard, S.Carroll, W.Zimmt, Material Characterization Tests for Objects of Art and Archaeology, Archetype Publications, London, 2000
  • Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

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