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 27 Chlorides...etc; bromides...etc; iodides...etc, nes 28 27 39 Of barium or of colbalt 28 27 39 10 Of barium or of colbalt Commodity Code Description 28 27 39 10 00 Of barium or of colbalt