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|discovered by=[[Carl Wilhelm Scheele]]

...l Wilhelm Scheele from Familj-Journalen1874.png|thumb|120px|[[Carl Wilhelm Scheele]] beat Priestley to the discovery but published afterwards.]] ...tise on Chemistry|first=Henry Enfield |last=Roscoe |coauthors=Schorlemmer, Carl|pages=38|year=1883|publisher=D. Appleton and Co.}}}}