| 2829.11 | 000 | Of sodium |
| 2829.90 | 100 | - Bromates |
| 28.30 | | Sulphides; polysulphides, whether or not chemically defined |
| 2830.10 | 000 | Sodium sulphides |
| 2831.10 | 000 | Of sodium |
| 2832.10 | 000 | Sodium sulphites |
| 28.33 | | Sulphates; alums; peroxosulphates (persulphates) |
| 28.33 | | Sodium sulphates : |
| 2833.11 | 000 | Disodium sulphate |
| 2833.21 | 000 | Of magnesium |
| 2833.22 | 000 | Of aluminium |
| 2833.27 | 000 | Of barium |
| 2833.30 | 000 | Alums |
| 2834.21 | 000 | Of potassium |
| 2834.29 | | 1 Calcium nitrate and Barium nitrate |
| 2834.29 | 100 | - Calcium nitrate |
| 2834.29 | 200 | - Barium nitrate |
| 28.35 | | Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined |
| 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 |
Harmonized Tariff Schedule of Japans inquiry: the
