Sodium sulfite, ke mofuta oa inorganic substance, chemical formula Na2SO3, ke sodium sulfite, haholo-holo sebelisoa e le maiketsetso faeba stabilizer, lesela bleaching moemeli, developer indonesia, dae bleaching deoxidizer, monko o monate le dae ho fokotsa moemeli, lignin ho tloswa moemeli bakeng sa papermaking.
Sodium sulfite, e nang le foromo ea lik'hemik'hale Na2SO3, ke ntho e sa sebetseng e nang le ts'ebeliso e fapaneng liindastering tse fapaneng. E fumaneha ka likhakanyo tsa 96%, 97% le 98% phofo, motsoako ona o nang le mefuta e mengata o fana ka ts'ebetso e babatsehang le bokhoni bo botle mefuteng e mengata ea likopo.