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 45 Isotopes (excl. radioactive); their inorganic or organic compounds 28 45 20 Boron enriched in boron-10 and its compounds 28 45 20 00 Boron enriched in boron-10 and its compounds Commodity Code Description 28 45 20 00 000 Boron enriched in boron-10 and its compounds