calcium sulfite


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calcium sulfite

[′kal·se·əm ′səl‚fīt]
(inorganic chemistry)
CaSO3·2H2O A white powder that is soluble in dilute sulfurous acid; may be dehydrated at 150°C to the anhydrous salt; used in the sulfite process for the manufacture of wood pulp.
References in periodicals archive ?
Before the conversion, NIPSCO landfilled, by truck, roughly the same amount of calcium sulfite annually.
Calcium sulfite has a low solubility, similar to that of calcium carbonate.
The sulfur dioxide in the flue gas reacts chemically with the alkaline reagent to produce calcium sulfite or calcium sulfate in the form of a wet sludge having the consistency of toothpaste.