| 284180 | Salts of oxometallic or peroxometallic acids-Tungstates (wolframates) |
| 284190 | Salts of oxometallic or peroxometallic acids-Other |
| 284210 | Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides-Double or complex silicates, including aluminosilicates whether or not chemically defined |
| 284290 | Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides-Other |
| 284310 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals-Colloidal precious metals |
| 284321 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals-Silver nitrate |
| 284329 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals-Other |
| 284330 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals-Gold compounds |
| 284390 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals-Other compounds; amalgams |
| 284410 | Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products-Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds |
| 284420 | Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products-Uranium enriched in U 235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U 235, plutonium or compounds of these products |
| 284430 | Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products-Uranium depleted in U 235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U 235, thorium or compounds of these products |
| 284440 | Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products-Radioactive elements and isotopes and compounds other than those of subheading 2844.10, 2844.20 or 2844.30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues |
| 284450 | Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products-Spent (irradiated) fuel elements (cartridges) of nuclear reactors |
| 284510 | Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined-Heavy water (deuterium oxide) |
