| 2831.10.10 | 00 | Sodium formaldehyde sulfoxylate | kg | Free | | 35% |
| 2833.11.50 | 10 | Anhydrous | t | | | |
| 2835 | | Phosphinates (hypophosphites), phosphonates (phos- phites) and phosphates; polyphosphates, whether or not chemically defined: | | | | |
| 2835.10.00 | 00 | Phosphinates (hypophosphites) and phosphonates (phosphites) | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2835.25.00 | 00 | Calcium hydrogenorthophosphate ("Dicalcium phosphate") | kg | Free | | 25% |
| 2835.31.00 | 00 | Polyphosphates: | | | | |
| 2835.31.00 | 00 | Sodium triphosphate (Sodium tripolyphosphate) | kg | 1.4% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 6% |
| 2836.30.00 | 00 | Sodium hydrogencarbonate (Sodium bicarbonate) | kg | Free | | Free |
| 2836.40.20 | 00 | Potassium hydrogencarbonate (Potassium bicarbonate) | kg | 1.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.8% |
| 2837 | | Cyanides, cyanide oxides and complex cyanides: | | | | |
| 2837.11.00 | 00 | Cyanides and cyanide oxides: | | | | |
| 2837.19.01 | 10 | Potassium cyanide | kg | | | |
| 2837.19.01 | 15 | Calcium cyanide | kg | | | |
| 2837.20 | | Complex cyanides: | | | | |
| 2837.20.10 | 00 | Potassium ferricyanide | kg | 1.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 5.1% |
| 2840.11.00 | 00 | Anhydrous | kg | 0.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 1.2% |
| 2841.70 | | Molybdates: | | | | |
| 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% |
| 2842.90.10 | 00 | Fulminates, cyanates and thiocyanates | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, 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: | | | | |
| 2844.10 | | Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds: | | | | |
| 2844.20.00 | | Uranium enriched in U235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U235, plutonium or compounds of these products | | Free | | Free |
| 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: | | | | |
| 2844.40.00 | | Radioactive elements and isotopes and com- pounds other than those of subheadings 2844.10, 2844.20, and 2844.30; alloys, dis- persions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues | | Free | | Free |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
