At low sulfide concentrations big round polyphosphate ... the dominant mechanism in coastal sediments with a high input of phosphorus bound in organic matter and dense populations of sulfur ...

When formed into matches, the mixture sometimes (but not always) ignited when struck on sandpaper. Later on, white phosphorus replaced antimony sulfide to make matches more reliable. Eventually, the ...

With a little work, writes Andrew Haynes for The Pharmaceutical Journal, Walker produced “a flammable paste made with antimony sulfide ... that included white phosphorus, an innovation that ...

London — Ukraine's President Volodymyr Zelenskyy told a NATO summit on Thursday that Russia had used white phosphorus against civilians in his country. "This morning, by the way, phosphorus ...