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 08 NITRIC ACID; SULPHONITIC ACIDS. Commodity Code Description 28 08 00 NITRIC ACID; SULPHONITRIC ACIDS