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 isotopes2833283322283322Chapter 28Copy pageOf aluminiumDescriptionSulphates; alums; peroxosulphates (persulphates) : Other sulphates : Of aluminiumWas this page helpful?YesNoPrevious283321Of magnesiumNextOf nickel283324