Section 06 Products of the chemical or allied Industries 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes 28 29 Chlorates, perchlorates; bromates, perbromates; iodates and periodates Commodity Code Description 28 29 11 Of sodium 28 29 19 Other 28 29 90 Other