Subheading 2833.22 · Section VI
2833.22
Sulphates; of aluminium
28 Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes
2833 Sulphates; alums; peroxosulphates (persulphates)
2833.22 Of aluminium
Other subheadings under 2833