An intermediate product in copper smelting. Blister copper is formed when copper sulfide ore has been incompletely reduced to metallic copper. It is approximately 96-99% pure copper and is riddled with bubbles due to escaped sulfur dioxide gas during solidification.
Synonyms and Related Terms
blinding; cobre "blister" (Port.)
Sources Checked for Data in Record
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Henry Hodges, Artifacts: An Introduction to Early Materials and Technology, Ronald P. Frye, Kingston, Canada, 1988
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998