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 Commodity Code Description 28 43 10 COLLOIDAL PRECIOUS METALS 28 43 21 SILVER NITRATE 28 43 29 OTHER SILVER COMPOUNDS 28 43 30 GOLD COMPOUNDS 28 43 90 OTHER COMPOUNDS; AMALGAMS