Dictionary entry overview: What does isle mean? â¢ ISLE (noun) The noun ISLE has 1 sense: 1. a small island Familiarity information: ISLE used as a noun is very rare.
The sulfate ion is SO42- The sulfite ion is SO32- and is more basic that sulfate.
(August 2014). Calcium sulfite, or calcium sulphite, is a chemical compound which is the calcium salt of sulfurous acid with the molecular formula CaSO 3. Some common uses areits production in flue gas desulfurization (FGD), as a food additive, and in the production of calcium sulfate.t can, however, be oxidized toproduce gypsum or calcium sulfate dihydrate, which can be used commercially. This oxidation reaction is the reason it is not stable in things like drywall, as it uses water and oxygen, common conditions in Earth's atmosphere.