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 36 CARBONATES; PEROXOCARBONATES (PERCARBONATES); COMMERCIAL AMMONIUM 28 36 30 SODIUM HYDROGENCARBONATE (SODIUM BICARBONATE) Commodity Code Description 28 36 30 00 SODIUM HYDROGENCARBONATE (SODIUM BICARBONATE)