| 2827.49 | | Bromides and bromide oxides : |
| 2827.51 | 000 | Bromides of sodium or of potassium |
| 2827.59 | | Other |
| 2827.59 | 100 | - Ammonium bromide |
| 2827.59 | 900 | - Other |
| 2827.60 | 000 | Iodides and iodide oxides |
| 28.28 | | Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites |
| 2828.10 | 000 | Commercial calcium hypochlorite and other calcium hypochlorites |
| 2828.90 | 000 | Other |
| 28.29 | | Chlorates and perchlorates; bromates and perbromates; iodates and periodates |
| 28.29 | | Chlorates : |
| 2829.11 | 000 | Of sodium |
| 2829.19 | 000 | Other |
| 2829.90 | | Other |
| 2829.90 | 100 | - Bromates |
| 2829.90 | 900 | - Other |
| 28.30 | | Sulphides; polysulphides, whether or not chemically defined |
| 2830.10 | 000 | Sodium sulphides |
| 2830.90 | 000 | Other |
| 28.31 | | Dithionites and sulphoxylates |
| 2831.10 | 000 | Of sodium |
| 2831.90 | 000 | Other |
| 28.32 | | Sulphites; thiosulphates |