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 22 COBALT OXIDES AND HYDROXIDES; COMMERCIAL COBALT OXIDES. Commodity Code Description 28 22 00 COBALT OXIDES AND HYDROXIDES; COMMERCIAL COBALT OXIDES