| 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) |
| 2834.29 | | Other |
| 2834.29 | 300 | 2 Other |
| 28.35 | | Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined |
| 2835.10 | 000 | Phosphinates (hypophosphites) and phosphonates (phosphites) |
| 2835.10 | | Phosphates : |
| 2835.25 | 000 | Calcium hydrogenorthophosphate (“dicalcium phosphate”) |
| 2835.26 | 000 | Other phosphates of calcium |
| 2835.29 | | Other |
| 2835.29 | 090 | - Other |
| 2835.29 | | Polyphosphates : |
| 2835.31 | 000 | Sodium triphosphate (sodium tripolyphosphate) |
| 2835.39 | 000 | Other |
Harmonized Tariff Schedule of Japans inquiry: 51412019l307764784
