| 2816.10 | 000 | Hydroxide and peroxide of magnesium |
| 2816.40 | 000 | Oxides, hydroxides and peroxides, of strontium or barium |
| 28.18 | | Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide |
| 2818.10 | | Artificial corundum, whether or not chemically defined |
| 2818.20 | 000 | Aluminium oxide, other than artificial corundum |
| 2818.30 | 000 | Aluminium hydroxide |
| 28.19 | | Chromium oxides and hydroxides |
| 2819.10 | 000 | Chromium trioxide |
| 28.20 | | Manganese oxides |
| 2820.10 | 000 | Manganese dioxide |
| 28.21 | | Iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3 |
| 2822.00 | | Cobalt oxides and hydroxides; commercial cobalt oxides |
| 2822.00 | 010 | - Cobalt oxides and commercial cobalt oxides |
| 2823.00 | 000 | Titanium oxides |
| 2824.10 | 000 | Lead monoxide (litharge, massicot) |
| 28.25 | | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides |
| 2825.10 | | Hydrazine and hydroxylamine and their inorganic salts |
| 2825.10 | 090 | -Hydroxylamine and its inorganic salts |
| 2825.20 | 000 | Lithium oxide and hydroxide |
| 2825.30 | 000 | Vanadium oxides and hydroxides |
| 2825.60 | | Germanium oxides and zirconium dioxide |
| 2825.60 | 100 | 1 Germanium dioxide |
| 2825.70 | 000 | Molybdenum oxides and hydroxides |