| 2827.39 | | Other |
| 2827.39 | | 2 Other |
| 2827.39 | 990 | - Other |
| 2827.39 | | Chloride oxides and chloride hydroxides : |
| 2827.49 | | Other |
| 2827.49 | 100 | 1 Zirconium oxychloride |
| 2827.49 | 900 | 2 Other |
| 2827.59 | | Other |
| 2827.59 | 900 | - Other |
| 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 : |
| 2829.19 | 000 | Other |
| 2829.90 | | Other |
| 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 |
| 2831.90 | 000 | Other |
| 28.32 | | Sulphites; thiosulphates |