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We are an enterprise with food grade sulfur dioxide production qualification certificate
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what is sulfur dioxide?

sulfur dioxide, (SO2), inorganic compound, a heavy, colourless, poisonous gas. It is produced in huge quantities in intermediate steps of sulfuric acid manufacture....

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how to produce sulfur dioxide?

Sulfur dioxide has been produced commercially from the following raw materials: elemental sulfur; pyrites;...

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What are the potential health effects of sulfur dioxide?

Main Routes of Exposure: Inhalation....