| 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% |
| 2836.50.00 | 00 | Calcium carbonate | kg | Free | | 25% |
| 2836.60.00 | 00 | Barium carbonate | kg | 2.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 8.4% |
| 2836.91.00 | | Lithium carbonates | | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2836.92.00 | 00 | Strontium carbonate | kg | 4.2% | Free (A,AU,BH, CA,CL,E, IL,J,JO, MA,MX,P,SG) | 25% |
| 2836.99.10 | 00 | Cobalt carbonates | kg | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 30% |
| 2836.99.20 | 00 | Bismuth carbonate | kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 35% |
| 2836.99.30 | 00 | Commercial ammonium carbonate and other ammonium carbonates | kg | 1.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 16% |
| 2836.99.40 | 00 | Lead carbonates | kg | 0.5% | Free (A,AU,BH, CA,CL,E, IL,J,JO, MA,MX,P,SG) | 4.5% |
| 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% |
| 2840 | | Borates; peroxoborates (perborates): | | | | |
| 2840.11.00 | 00 | Disodium tetraborate (refined borax): | | | | |
| 2840.20.00 | 00 | Other borates | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2840.30.00 | | Peroxoborates (perborates) | | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2840.30.00 | 10 | Sodium perborate | kg | | | |
| 2841.30.00 | 00 | Sodium dichromate | kg | 2.4% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 8.5% |
| 2841.50 | | Other chromates and dichromates; peroxochromates: | | | | |
| 2841.50.10 | 00 | Potassium dichromate | kg | 1.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 3.5% |
| 2841.61.00 | 00 | Manganites, manganates and permanganates: | | | | |
| 2841.61.00 | 00 | Potassium permanganate | kg | 5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 23% |
| 2841.69.00 | 10 | Sodium permanganate | kg | | | |
| 2841.70 | | Molybdates: | | | | |
| 2841.80.00 | | Tungstates (wolframates) | | 5.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 49.5% |
| 2841.90.10 | 00 | Vanadates | kg V kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 40% |
