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.
Sodium Sulfite. Sodium Sulfite, Commercial, Anhydrous is an economical chemical for the sulfite pulping of wood in manufacturing various grades of paper. It is also a source for sodium sulfide used in Kraft pulping. Sodium Sulfite is oxidized to sodium sulfate and is used to remove oxygen from boiler feed water.It should be considered for applications in which oxygen dissolved in water may increase equipment corrosion, e.g. process cooling water in chemical and allied industries, and in oil well drilling equipment.odium Sulfite is oxidized to sodium sulfate and is used to remove oxygen from boiler feed water. It should be considered for applications in which oxygen dissolved in water may increase equipment corrosion, e.g. process cooling water in chemical and allied industries, and in oil well drilling equipment.