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 07 SULPHURIC ACID; OLEUM. 28 07 00 SULPHURIC ACID; FOR CHEMICAL ANALYSIS Commodity Code Description 28 07 00 10 SULPHURIC ACID; FOR CHEMICAL ANALYSIS 28 07 00 20 SULPHURIC ACID, OTHER 28 07 00 30 OLEUM