Subheading 2833.21 · Section VI
2833.21
Sulphates; of magnesium
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)
2833.21 Of magnesium
Other subheadings under 2833