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 41 SALTS OF OXOMETALLIC OR PEROXOMETALLIC ACIDS. 28 41 30 SODIUM DICHROMATE Commodity Code Description 28 41 30 00 SODIUM DICHROMATE