Amalgam 3 : A process for making sodium dithionite by reacting sodium amalgam with sulfur dioxide: 2(Hg)Na + 2SO2 + Na2S2O4 + 2(Hg). (Check source for accuracy of chemical formula)
Comyns, Alan E. Dictionary, Encyclopedic Dictionary of Named Processes in Chemical Technology (3rd ed.), Alan E. Comyns (Ed.), Boca Raton, FL, CRC Press LLC, USA 2000, http://worldtracker.org/media/library/Science/Chem istry/Synthesis/Encyclopedic%20Dictionary%20of%20N amed%20Processes%20in%20Chemical%20Technology.pdf, (Named Chem Procss - Amer) {35}