Discovery of Phosphorus

German alchemist Hennig Brand discovered phosphorous in 1669 when he strongly heated the residue left by the evaporation of urine. He observed the striking blue-green … Read more

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Discovery of Phosphorus

German alchemist Hennig Brand discovered phosphorous in 1669 when he strongly heated the residue left by the evaporation of urine. He observed the striking blue-green … Read more