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 isotopes2808280800280800Chapter 28Copy pageNitric acid; sulphonitric acidsDescriptionNitric acid; sulphonitric acidsWas this page helpful?YesNoPrevious280700Sulphuric acid; oleumNextDiphosphorus pentaoxide280910