Section 06 Products of the chemical or allied 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare earth metals, of radioactive elements or isotopes 28 36 Carbonates; peroxocarbonates; commercial ammonium carbonate 28 36 10 Commercial ammonium carbonate and other ammonium carbonates Commodity Code Description 28 36 10 00 Commercial ammonium carbonate and other ammonium carbonates