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sulfurous acid

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sulfurous acid
n.
A colorless solution of sulfur dioxide in water, H2SO3, characterized by a suffocating sulfurous odor, used as a bleaching agent, preservative, and disinfectant.
sulfurous acid
A colorless solution of sulfur dioxide in water, characterized by a suffocating sulfurous odor. It is used as a bleaching agent, preservative, and disinfectant. Chemical formula: H2SO3.
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One of those pathways, as you mention, first creates sulfurous acid that then reacts with oxygen to make sulfuric acid In the other set of reactions, sulfur dioxide reacts with oxygen to make sulfur trioxide, which then reacts with water to create sulfuric acid.
Multistep reactions by Myers, John; Perkins, Sid / Science News
The causative agent in most cases has proved to be sulfurous acid ([H.
Acid etch by Schoff, Clifford K. / JCT CoatingsTech
This concentrate is readily leached in only 6 hours of agitation at 70o C at atmospheric pressure with low consumption of sulfurous acid.
Geovic Mining Corp. and Geovic, Ltd. Announce Completion of Reverse ... by Business Wire
 
 
 
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