File talk:OLIN-MATHIESON PLANT EMITS SULPHUR FUMES - NARA - 546107.jpg

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Sulphur fumes[edit]

What we see on the picture is nitrogen dioxide, as expected with a production using nitric acid. Sulphur itself doesn't give fumes, sulphur oxides are colourless. --FK1954 (talk) 19:02, 4 June 2016 (UTC)[reply]

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