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.
The peroxomonosulfate ion, SO 5 2â , is a sulfur oxoanion. It is sometimes referred to as the persulfate ion, but this term also refers to the peroxydisulfate ion, S 2 O 8 2â .Due to its non-toxic nature, it requires only simple handling procedures.he peroxomonosulfate ion, SO 5 2â , is a sulfur oxoanion. It is sometimes referred to as the persulfate ion, but this term also refers to the peroxydisulfate ion, S 2 O 8 2â . Due to its non-toxic nature, it requires only simple handling procedures.