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 isotopes2833283324283324Chapter 28Copy pageOf nickelDescriptionSulphates; alums; peroxosulphates (persulphates) : Other sulphates : Of nickelWas this page helpful?YesNoPrevious283322Of aluminiumNextOf copper283325