| 2827.31 | 000 | Of magnesium |
| 2827.32 | 000 | Of aluminium |
| 2827.39 | 920 | - Of cobalt |
| 2827.39 | | Chloride oxides and chloride hydroxides : |
| 2827.49 | | Bromides and bromide oxides : |
| 2827.51 | 000 | Bromides of sodium or of potassium |
| 2827.59 | 100 | - Ammonium bromide |
| 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 |
| 28.29 | | Chlorates and perchlorates; bromates and perbromates; iodates and periodates |
| 28.29 | | Chlorates : |
| 2829.90 | 100 | - Bromates |
| 28.30 | | Sulphides; polysulphides, whether or not chemically defined |
| 28.31 | | Dithionites and sulphoxylates |
| 28.32 | | Sulphites; thiosulphates |
| 2832.30 | 000 | Thiosulphates |
| 28.33 | | Sulphates; alums; peroxosulphates (persulphates) |
| 28.33 | | Sodium sulphates : |
| 2833.11 | 000 | Disodium sulphate |
| 2833.19 | | Other sulphates : |
| 2833.21 | 000 | Of magnesium |
| 2833.22 | 000 | Of aluminium |