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 isotopes28342834Chapter 28Copy pageNitrites; nitratesDescriptionNitrites; nitratesSubheadings283410Nitrites283421Of potassium283429OtherWas this page helpful?YesNoPrevious2833Sulphates; alums; peroxosulphates (persulphates)NextPhosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined2835