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