| 2501.00 | 010 | 1 Salt and pure sodium chloride, of which at least 70% by weight passes through a woven metal wire cloth sieve with an aperture of 2.8mm, or agglomerated, other than those in aqueous solution |
| 25.05 | | Natural sands of all kinds, whether or not coloured, other than metal-bearing sands of Chapter 26 |
| 25.17 | | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated; macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules, chippings and powder, of stones of heading 25.15 or 25.16, whether or not heat-treated |
| 2517.10 | 000 | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated |
| 26.16 | | Precious metal ores and concentrates |
| 26.20 | | Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or their compounds |
| 2620.60 | 000 | Containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metals or for the manufacture of their chemical compounds |
| 28.04 | | Hydrogen, rare gases and other non-metals |
| 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 |
| 2805.30 | 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 |
| 28.11 | | Other inorganic acids and other inorganic oxygen compounds of non-metals |
| 2811.19 | | Other inorganic oxygen compounds of non-metals : |
| 2811.29 | | III.- HALOGEN OR SULPHUR COMPOUNDS OF NON-METALS |
| 28.12 | | Halides and halide oxides of non-metals |
| 28.13 | | Sulphides of non-metals; commercial phosphorus trisulphide |
| 2813.90 | | IV.- INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS |
| 28.25 | | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides |
| 2825.90 | | V.- SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS |
| 28.39 | | Silicates; commercial alkali metal silicates |
| 28.41 | | Salts of oxometallic or peroxometallic acids |
| 28.43 | | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals |