| 2830.90.15 | 00 | Other zinc sulfide | kg | 2.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 11% |
| 2830.90.20 | 00 | Cadmium sulfide | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2831 | | Dithionites and sulfoxylates: | | | | |
| 2831.10 | | Of sodium: | | | | |
| 2831.10.10 | 00 | Sodium formaldehyde sulfoxylate | kg | Free | | 35% |
| 2832.10.00 | 00 | Sodium sulfites | kg | 1.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.5% |
| 2832.30.10 | 00 | Sodium thiosulfate | kg | 1.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.5% |
| 2833.11 | | Sodium sulfates: | | | | |
| 2833.11 | | Disodium sulfate: | | | | |
| 2833.11.50 | 10 | Anhydrous | t | | | |
| 2833.29.30 | 00 | Of vanadium | kg V kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P) 2.8% (SG) | 40% |
| 2833.40.20 | 00 | Of sodium | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2834.10.10 | 00 | Of sodium | kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 54% |
| 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% |
| 2835.22.00 | 00 | Of mono- or disodium | kg | 1.4% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 6% |
| 2835.25.00 | 00 | Calcium hydrogenorthophosphate ("Dicalcium phosphate") | kg | Free | | 25% |
| 2835.29.30 | 00 | Of trisodium | kg | 2.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 11.5% |
| 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% |
| 2836.20.00 | 00 | Disodium carbonate | kg | 1.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 8.5% |
| 2836.30.00 | 00 | Sodium hydrogencarbonate (Sodium bicarbonate) | kg | Free | | Free |
| 2836.40.10 | 00 | Dipotassium carbonate | kg | 1.9% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 6% |
| 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% |
| 2836.91.00 | 10 | U.S.P. grade | kg | | | |
| 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% |