| 28.05 |  | Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury | 
| 28.05 |  | Alkali or alkaline-earth metals | 
| 2805.19 | 000 | Other | 
| 2805.30 | 000 | Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed | 
| 2805.40 |  | II.- INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS | 
| 2808.00 | 000 | Nitric acid; sulphonitric acids | 
| 28.09 |  | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined | 
| 2809.10 | 000 | Diphosphorus pentaoxide | 
| 28.11 |  | Other inorganic acids and other inorganic oxygen compounds of non-metals | 
| 28.11 |  | Other inorganic acids | 
| 2811.19 |  | Other | 
| 2811.19 | 900 | - Other | 
| 2811.19 |  | Other inorganic oxygen compounds of non-metals : | 
| 2811.29 |  | Other | 
| 2811.29 |  | 1 Dinitrogen tetroxide and Sulphur dioxide | 
| 2811.29 | 110 | - Dinitrogen tetroxide | 
| 2811.29 | 900 | 2 Other | 
| 2811.29 |  | III.- HALOGEN OR SULPHUR COMPOUNDS OF NON-METALS | 
| 28.12 |  | Halides and halide oxides of non-metals | 
| 2812.13 | 000 | Phosphorus trichloride | 
| 2812.14 | 000 | Phosphorus pentachloride | 
| 2812.17 | 000 | Thionyl chloride | 
| 2812.19 | 000 | Other |