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 46 Compounds, inorganic or organic, of rare-earth metals of yttrium, etc 28 46 10 Cerium compounds 28 46 10 00 Cerium compounds Commodity Code Description 28 46 10 00 000 Cerium compounds
