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 isotopes2835283524283524Chapter 28Copy pageOf potassiumDescriptionPhosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined : Phosphates : Of potassiumWas this page helpful?YesNoPrevious283522Of mono- or disodiumNextCalcium hydrogenorthophosphate (‘dicalcium phosphate’)283525