Issue Date: November 21, 2016
Safer emergency flares, thanks to a less toxic and more stable chemical for making smoke
Many emergency flares rely on a material called red phosphorus, one of the natural forms of the element, to produce billowing smoke that draws the rescuers’ attention. Researchers have been seeking an alternative because red phosphorus has multiple safety flaws. For example, it can ignite with a bit of impact or friction; red phosphorus is often added to match heads to help them ignite. Although useful in a match, the compound’s propensity to explode when . . .
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- Chemical & Engineering News
- ISSN 0009-2347
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