BaS2O6 + H2SO4 → BaSO4 + H2S2O6
Barium dithionate react with sulfuric acid to produce barium sulfate and dithionic acid. Barium dithionate - aqueous solution.[17] Sulfuric acid - diluted aqueous solution.[8] The reaction proceeds at room temperature.[8] Barium sulfate setting-out.[17]