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.
Sulfur dioxide (SO2), or sulfites as they are best known in the wine world, is a chemical compound that occurs naturally at low levels during the process of wine fermentation.ulfur dioxide (SO2), or sulfites as they are best known in the wine world, is a chemical compound that occurs naturally at low levels during the process of wine fermentation.