| 2837.20 | | Complex cyanides: | | | | |
| 2839 | | Silicates; commercial alkali metal silicates: | | | | |
| 2839.11.00 | 00 | Of sodium: | | | | |
| 2839.90 | | Other: | | | | |
| 2840 | | Borates; peroxoborates (perborates): | | | | |
| 2840.11.00 | 00 | Disodium tetraborate (refined borax): | | | | |
| 2841 | | Salts of oxometallic or peroxometallic acids: | | | | |
| 2841.50 | | Other chromates and dichromates; peroxochromates: | | | | |
| 2841.61.00 | 00 | Manganites, manganates and permanganates: | | | | |
| 2841.70 | | Molybdates: | | | | |
| 2841.90 | | Other: | | | | |
| 2842 | | Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides: | | | | |
| 2842.90 | | Other: | | | | |
| 2843 | | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals: | | | | |
| 2843.21.00 | 00 | Silver compounds: | | | | |
| 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: | | | | |
| 2844.10 | | Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds: | | | | |
| 2844.20.00 | 10 | Uranium compounds: | | | | |
| 2844.30 | | Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products: | | | | |
| 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: | | | | |
| 2846.90 | | Other: | | | | |
| 2846.90.40 | 00 | Other: | | | | |
| 2848.00 | | Phosphides, whether or not chemically defined, excluding ferrophosphorus: | | | | |
| 2849 | | Carbides, whether or not chemically defined: | | | | |
Harmonized Tariff Schedule of the United States inquiry: gaming
