| 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 | | Other sulphates : |
| 2833.21 | 000 | Of magnesium |
| 2833.30 | 000 | Alums |
| 2833.40 | 000 | Peroxosulphates (persulphates) |
| 28.34 | | Nitrites; nitrates |
| 2834.10 | 000 | Nitrites |
| 2834.10 | | Nitrates : |
| 2834.21 | 000 | Of potassium |
| 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 : |
| 2835.22 | 000 | Of mono- or disodium |
| 2835.24 | 000 | Of potassium |
| 2835.25 | 000 | Calcium hydrogenorthophosphate (“dicalcium phosphate”) |
| 2835.26 | 000 | Other phosphates of calcium |
| 2835.29 | 010 | - Of trisodium |
| 2835.29 | | Polyphosphates : |
Harmonized Tariff Schedule of Japans inquiry: 59-0004
