2710.20 | | (a) Intended for use as raw materials in refining, including those manufactured from the oil under the supervision of the Customs |
2711.11 | 000 | Natural gas |
2711.13 | 010 | - Intended for use in manufacturing ammonia, ethylenic hydrocarbons or maleic anhydride |
2711.21 | 000 | Natural gas |
27.12 | | Petroleum jelly; paraffin wax, micro-crystalline petroleum wax, slack wax, ozokerite, lignite wax, peat wax, other mineral waxes, and similar products obtained by synthesis or by other processes, whether or not coloured |
27.13 | | Petroleum coke, petroleum bitumen and other residues of petroleum oils or of oils obtained from bituminous minerals |
2713.11 | 000 | Not calcined |
2713.12 | 000 | Calcined |
2713.90 | | Other residues of petroleum oils or of oils obtained from bituminous minerals |
27.14 | | Bitumen and asphalt, natural; bituminous or oil shale and tar sands; asphaltites and asphaltic rocks |
2714.10 | 000 | Bituminous or oil shale and tar sands |
2715.00 | 000 | Bituminous mixtures based on natural asphalt, on natural bitumen, on petroleum bitumen, on mineral tar or on mineral tar pitch (for example, bituminous mastics, cut-backs) |
2715.00 | | I.- CHEMICAL ELEMENTS |
2802.00 | 000 | Sulphur, sublimed or precipitated; colloidal sulphur |
28.04 | | Hydrogen, rare gases and other non-metals |
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 |
28.05 | | Alkali or alkaline-earth metals |
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 |
28.09 | | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined |
28.11 | | Other inorganic acids and other inorganic oxygen compounds of non-metals |