KnowraSodium metabisulfiteLinked fromLinked fromThe 4 pages that link to Sodium metabisulfite, each with the reason it gives.All 4Compared with 4Sodium thiosulfateCompared with: It can also remove chlorine, but its chemistry and applications differ from thiosulfate.Sodium bisulfiteCompared with: It is a widely used, more concentrated source of bisulfite in solution.Sodium dithioniteCompared with: It is often confused with dithionite but is chemically distinct and generally less strongly reducing.Sodium sulfiteCompared with: It is a common sulfite-related preservative but differs in formula and aqueous speciation.