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 40 Helium-3 28 45 40 00 Helium-3 Commodity Code Description 28 45 40 00 000 Helium-3
