| 2844.50.00 | 00 | Spent (irradiated) fuel elements (cartridges) of nuclear reactors | kg | Free | | Free |
| 2845 | | Isotopes other than those of heading 2844; com- pounds, inorganic or organic, of such isotopes, whether or not chemically defined: | | | | |
| 2846 | | Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: | | | | |
| 2846.10.00 | 00 | Cerium compounds | kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 35% |
| 2846.90.20 | | Mixtures of rare-earth oxides or of rare-earth chlorides | | Free | | 25% |
| 2846.90.20 | 10 | Rare-earth oxides except cerium oxide | kg | | | |
| 2846.90.40 | 00 | Yttrium bearing materials and compounds containing by weight more than 19 percent but less than 85 percent yttrium oxide equivalent | kg | Free | | 25% |
| 2848.00 | | Phosphides, whether or not chemically defined, excluding ferrophosphorus: | | | | |
| 2848.00.10 | 00 | Of copper (phosphor copper), containing more than 15 percent by weight of phosphorus | kg | 2.6% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 32.5% |
| 2849 | | Carbides, whether or not chemically defined: | | | | |
| 2849.10.00 | 00 | Of calcium | kg | 1.8% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 10% |
| 2849.20 | | Of silicon: | | | | |
| 2849.20.10 | 00 | Crude | kg | Free | | Free |
| 2849.90.20 | 00 | Of chromium | kg | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2850.00 | | Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: | | | | |
| 2850.00.05 | 00 | Of calcium | kg | Free | | 25% |
| 2852.00 | | Compounds, inorganic or organic, of mercury, excluding amalgams: | | | | |
| 2852.00.10 | 00 | Mercuric oxide, mercuric cyanide, mercuric oxycyanide And mercuric potassium cyanide | kg | Free | | 25% |
| 2853.00.00 | | Other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals | | 2.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2853.00.00 | 05 | Cyanogen chloride | kg | | | |
| 2901 | | Acyclic hydrocarbons: | | | | |
| 2901.24.20 | 00 | Having a purity of 95 percent or more by weight | kg | Free | | 25% |
| 2901.29.10 | 10 | Linear α-olefins (C6-C30), unmixed | kg | | | |
| 2902 | | Cyclic hydrocarbons: | | | | |
| 2902.11.00 | 00 | Cyclanes, cyclenes and cycloterpenes: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
