| 2831 | | Dithionites and sulfoxylates: | | | | |
| 2831.10 | | Of sodium: | | | | |
| 2832 | | Sulfites; thiosulfates: | | | | |
| 2832.30 | | Thiosulfates: | | | | |
| 2833 | | Sulfates; alums; peroxosulfates (persulfates): | | | | |
| 2833.11 | | Sodium sulfates: | | | | |
| 2833.11 | | Disodium sulfate: | | | | |
| 2833.21.00 | 00 | Other sulfates: | | | | |
| 2833.29 | | Other: | | | | |
| 2833.40 | | Peroxosulfates (persulfates): | | | | |
| 2834 | | Nitrites; nitrates: | | | | |
| 2834.10 | | Nitrites: | | | | |
| 2834.21.00 | 00 | Nitrates: | | | | |
| 2834.29 | | Other: | | | | |
| 2835 | | Phosphinates (hypophosphites), phosphonates (phos- phites) and phosphates; polyphosphates, whether or not chemically defined: | | | | |
| 2835.22.00 | 00 | Phosphates: | | | | |
| 2835.29 | | Other: | | | | |
| 2835.31.00 | 00 | Polyphosphates: | | | | |
| 2835.39 | | Other: | | | | |
| 2836 | | Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: | | | | |
| 2836.40 | | Potassium carbonates: | | | | |
| 2836.91.00 | | Other: | | | | |
| 2836.99 | | Other: | | | | |
| 2837 | | Cyanides, cyanide oxides and complex cyanides: | | | | |
| 2837.11.00 | 00 | Cyanides and cyanide oxides: | | | | |
