Section 06 Products of the chemical or allied 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare earth metals, of radioactive elements or isotopes 28 33 Sulphates; alums; peroxosulphates (persulphates) 28 33 29 Other sulphates, nes Commodity Code Description 28 33 29 00 Other sulphates, nes 28 33 29 20 Tribasic lead sulphate 28 33 29 30 Of chromium 28 33 29 40 Of zinc 28 33 29 90 Other
