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Earth

Chemical trap takes the sting out of white phosphorus

By Jon Evans

1 July 2009

A CHEMICAL cage that safely traps white phosphorus could one day help clean up areas contaminated with the highly unstable substance. “This cage could potentially be used in an industrial spill or a war zone,” says lead researcher at the University of Cambridge.

“The iron cage could be used to clean up white phosphorus in an industrial spill or a war zone”

White phosphorus, a highly reactive form of the element, is made of four phosphorus atoms linked together in the shape of a tetrahedron. It reacts violently with oxygen and is the active ingredient in numerous explosive…

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