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 isotopes 28 16 Hydroxide and peroxide of magnesium; oxides,... of strontium or barium Commodity Code Description 28 16 10 Hydroxide and peroxide of magnesium 28 16 40 Oxides, hydroxides and peroxides, of strontium or barium
