| Harmonized Tariff Schedule | ||
|---|---|---|
| Statistical code | Description | |
| H.S. code | Domestic code | |
| 2830.90 | 000 | Other |
| 28.31 | Dithionites and sulphoxylates | |
| 2831.10 | 000 | Of sodium |
| 2831.90 | 000 | Other |
| 28.32 | Sulphites; thiosulphates | |
| 2832.10 | 000 | Sodium sulphites |
| 2832.20 | 000 | Other sulphites |
| 2832.30 | 000 | Thiosulphates |
| 28.33 | Sulphates; alums; peroxosulphates (persulphates) | |
| 28.33 | Sodium sulphates : | |
| 2833.11 | 000 | Disodium sulphate |
| 2833.19 | 000 | Other |
| 2833.19 | Other sulphates : | |
| 2833.21 | 000 | Of magnesium |
| 2833.22 | 000 | Of aluminium |
| 2833.24 | 000 | Of nickel |
| 2833.25 | 000 | Of copper |
| 2833.27 | 000 | Of barium |
| 2833.29 | Other | |
| 2833.29 | 100 | 1 Of zinc |
| 2833.29 | 900 | 2 Other |
| 2833.40 | 000 | Peroxosulphates (persulphates) |
| 2834.21 | 000 | Of potassium |