| 2839 | | Silicates; commercial alkali metal silicates: | | | | |
| 2839.11.00 | 00 | Sodium metasilicates | kg | 1.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 3% |
| 2841.80.00 | 20 | Of calcium | kg W kg | | | |
| 2842 | | Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides: | | | | |
| 2842.10.00 | 00 | Double or complex silicates, including alumino- silicates whether or not chemically defined | kg | 3.7% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,K,MA,MX, P,SG) | 25% |
| 2843 | | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals: | | | | |
| 2844 | | Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: | | | | |
| 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: | | | | |
| 2848.00 | | Phosphides, whether or not chemically defined, excluding ferrophosphorus: | | | | |
| 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% |
| 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% |
| 2901 | | Acyclic hydrocarbons: | | | | |
| 2902 | | Cyclic hydrocarbons: | | | | |
| 2903 | | Halogenated derivatives of hydrocarbons: | | | | |
| 2903.11.00 | | Saturated chlorinated derivatives of acyclic hydrocarbons: | | | | |
| 2903.14.00 | 00 | Carbon tetrachloride | kg | 2.3% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 8.5% |
| 2903.21.00 | 00 | Unsaturated chlorinated derivatives of acyclic hydrocarbons: | | | | |
| 2903.31.00 | 00 | Fluorinated, brominated or iodinated derivatives of acyclic hydrocarbons: | | | | |
| 2903.39.20 | 05 | Fluorinated hydrocarbons: | | | | |
| 2903.41.00 | 00 | Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: | | | | |
| 2903.51.00 | 00 | Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons: | | | | |
Harmonized Tariff Schedule of the United States inquiry: gaming
