| 2826.19 | | Other |
| 2826.19 | 090 | - Other |
| 2826.30 | 000 | Sodium hexafluoroaluminate (synthetic cryolite) |
| 2826.90 | | Other |
| 2826.90 | 100 | 1 Fluorosilicates of sodium or of potassium |
| 2826.90 | | 2 Other |
| 2826.90 | 910 | -Potassium fluorotantalate |
| 2826.90 | 990 | - Other |
| 2827.20 | | Other chlorides : |
| 2827.39 | | Other |
| 2827.39 | | 2 Other |
| 2827.39 | 920 | - Of cobalt |
| 2827.39 | 990 | - Other |
| 2827.49 | | Other |
| 2827.49 | 900 | 2 Other |
| 2827.51 | 000 | Bromides of sodium or of potassium |
| 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 : |