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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.
Tin pest has also been called tin disease, [1] tin blight, tin plague, [2] or tin leprosy. [3] It is an autocatalytic process, accelerating once it begins. It was first documented in the scientific literature in 1851, having been observed in the pipes of pipe organs in medieval churches that had experienced cool climates.
Less-toxic heavy metals, such as copper, tin, tungsten, and bismuth, and probably manganese (as well as boron, a metalloid), have replaced lead and antimony in the green bullets used by some armies and in some recreational shooting munitions. [147] Doubts have been raised about the safety (or green credentials) of tungsten. [148]
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 ...
There have been 8 reports of made-in-China alarms sold by HSN nationwide and online not sounding in response to smoke.
Prices of antimony, used in semiconductors and military applications, hit all-time highs, currently trading between $39,500-40,000 per metric ton in Rotterdam as of Dec. 31. China's export ban to ...
The only medicinal nicotine agents currently approved as safe for medical intervention—namely nicotine cessation—are nicotine replacement therapy products. NRT products were first approved for use in 1984, when they were introduced in the United States.
Bismuth is used in alloys with other metals such as tin and lead. Wood's metal, an alloy of bismuth, lead, tin, and cadmium is used in automatic sprinkler systems for fires. It forms the largest part (50%) of Rose's metal, a fusible alloy, which also contains 25–28% lead and 22–25% tin.