HS CodesVI · Products of the chemical or allied industries28 · Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes2831283190283190Chapter 28Copy pageOtherDescriptionDithionites and sulphoxylates : OtherWas this page helpful?YesNoPrevious283110Of sodiumNextSodium sulphites283210