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The isobar forming 132 Te/ 132 I is: Tin-132 (half-life 40 s) decaying to antimony-132 (half-life 2.8 minutes) decaying to tellurium-132 (half-life 3.2 days) decaying to iodine-132 (half-life 2.3 hours) which decays to stable xenon-132. The creation of tellurium-126 is delayed by the long half-life (230 k years) of tin-126.
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The composition by weight is typically about 92–93% tin, 5–6% antimony, and 2% copper. [3] [4] Some sources use the terms "Britannia metal" and "britannium" to mean different things. [5] Britannia metal is usually spun rather than cast, [1] and melts at 255 degrees Celsius. [6]
Perpetua Resources, which is building a U.S. antimony and gold project with support from the Pentagon, had planned to begin production by 2028, but is studying ways to produce antimony faster in ...
Bismuth antimonides, Bismuth-antimonys, or Bismuth-antimony alloys, (Bi 1−x Sb x) are binary alloys of bismuth and antimony in various ratios. Some, in particular Bi 0.9 Sb 0.1 , were the first experimentally-observed three-dimensional topological insulators , materials that have conducting surface states but have an insulating interior.
China is a major producer of antimony, and some U.S. policymakers have worried about being overly dependent on China as a source. The mineral's uses include flame retardants, batteries, night ...
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Antimony is a chemical element; it has symbol Sb (from Latin stibium) and atomic number 51. A lustrous grey metal or metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb 2 S 3). Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name kohl. [11]