28.33Heading
Sulphates; alums; peroxosulphates (persulphates)
Section VI — Products of the chemical or allied industries
| Code | Description |
|---|---|
| 2833.11 | Sodium sulphates; disodium sulphate |
| 2833.19 | Sodium sulphates; other than disodium sulphate |
| 2833.21 | Sulphates; of magnesium |
| 2833.22 | Sulphates; of aluminium |
| 2833.24 | Sulphates; of nickel |
| 2833.25 | Sulphates; of copper |
| 2833.27 | Sulphates; of barium |
| 2833.29 | Sulphates; n.e.c. in item no. 2833.2 |
| 2833.30 | Alums |
| 2833.40 | Peroxosulphates (persulphates) |