Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES 28 INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METAL, OFRARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES 28 43 COLLOIDAL PRECIOUS METALS; INORGANIC OR ORGANIC COMPOUNDS OF PRECIOUS 28 43 90 OTHER COMPOUNDS; AMALGAMS Commodity Code Description 28 43 90 00 OTHER COMPOUNDS; AMALGAMS