| 2829.19 | 000 | Other |
| 2829.90 | | Other |
| 2829.90 | 100 | - Bromates |
| 2829.90 | 900 | - Other |
| 28.30 | | Sulphides; polysulphides, whether or not chemically defined |
| 2830.90 | 000 | Other |
| 28.31 | | Dithionites and sulphoxylates |
| 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 : |
| 2833.29 | | Other |
| 2833.29 | 900 | 2 Other |
| 2833.40 | 000 | Peroxosulphates (persulphates) |
| 28.34 | | Nitrites; nitrates |
| 2834.10 | 000 | Nitrites |
| 2834.10 | | Nitrates : |
Harmonized Tariff Schedule of Japans inquiry: 51412019l307764784
