title: The production of dithionite and SO2 - by chemical reaction of (BI) sulphite with methyl viologen semiquinone.
mesh_terms: D000693:Anaerobiosis; D055598:Chemical Phenomena; D002621:Chemistry; D004227:Dithionite; D004578:Electron Spin Resonance Spectroscopy; D010269:Paraquat; D011809:Quinones; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D013447:Sulfites
chemical_list: D011809:Quinones; D013447:Sulfites; D004227:Dithionite; D010269:Paraquat