| 2712.20 | 000 | Paraffin wax containing by weight less than 0.75% of oil |
| 28.04 | | Hydrogen, rare gases and other non-metals |
| 2804.10 | 000 | Hydrogen |
| 2804.40 | 000 | Oxygen |
| 2804.61 | | Containing by weight not less than 99.99 % of silicon |
| 2804.61 | 100 | 1 Of single crystal |
| 28.05 | | Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury |
| 2805.30 | 000 | Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed |
| 2805.40 | 000 | Mercury |
| 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) |
| 28.09 | | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined |
| 2809.20 | 000 | Phosphoric acid and polyphosphoric acids |
| 28.11 | | Other inorganic acids and other inorganic oxygen compounds of non-metals |
| 2811.11 | 000 | Hydrogen fluoride (hydrofluoric acid) |
| 2811.12 | 000 | Hydrogen cyanide (hydrocyanic acid) |
| 2811.19 | 100 | - Hydrobromic acid |
| 2811.19 | | Other inorganic oxygen compounds of non-metals : |
| 2812.11 | 000 | Carbonyl dichloride (phosgene) |
| 2812.12 | 000 | Phosphorus oxychloride |
| 2812.17 | 000 | Thionyl chloride |
| 2813.90 | | IV.- INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS |