Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED 28 Inorganic chemicals;organic or inorganic compounds of precious metals, ofrare-earth, of radioactive elements or of isotopes 28 45 ISOTOPES (EXCL. RADIOACTIVE); THEIR INORGANIC OR ORGANIC COMPOUNDS Commodity Code Description 28 45 10 Heavy water (deuterium oxide) 28 45 90 Other