| 28.01 | | Fluorine, chlorine, bromine and iodine |
| 2801.10 | 000 | Chlorine |
| 2801.20 | 000 | Iodine |
| 2801.30 | 000 | Fluorine; bromine |
| 2802.00 | 000 | Sulphur, sublimed or precipitated; colloidal sulphur |
| 2803.00 | 000 | Carbon (carbon blacks and other forms of carbon not elsewhere specified or included) |
| 2804.29 | 100 | - Helium |
| 2804.30 | 000 | Nitrogen |
| 2804.50 | 000 | Boron; tellurium |
| 2804.50 | | Silicon |
| 2804.61 | | Containing by weight not less than 99.99 % of silicon |
| 2804.61 | 100 | 1 Of single crystal |
| 2804.80 | 000 | Arsenic |
| 2804.90 | 000 | Selenium |
| 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 |
| 2805.11 | 000 | Sodium |
| 2805.12 | 000 | Calcium |
| 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 |
| 28.06 | | Hydrogen chloride (hydrochloric acid); chlorosulphuric acid |
| 2806.10 | 000 | Hydrogen chloride (hydrochloric acid) |
| 2806.20 | 000 | Chlorosulphuric acid |