2804.90 | 000 | Selenium |
2805.40 | | II.- INORGANIC ACIDS AND INORGANIC OXYGEN COMPOUNDS OF NON-METALS |
2808.00 | 000 | Nitric acid; sulphonitric acids |
28.11 | | Other inorganic acids and other inorganic oxygen compounds of non-metals |
28.11 | | Other inorganic acids |
2811.12 | 000 | Hydrogen cyanide (hydrocyanic acid) |
2811.19 | | Other inorganic oxygen compounds of non-metals : |
2811.29 | | 1 Dinitrogen tetroxide and Sulphur dioxide |
2811.29 | 110 | - Dinitrogen tetroxide |
2813.90 | | IV.- INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS |
28.14 | | Ammonia, anhydrous or in aqueous solution |
2814.10 | 000 | Anhydrous ammonia |
2814.20 | 000 | Ammonia in aqueous solution |
28.18 | | Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide |
2818.20 | 000 | Aluminium oxide, other than artificial corundum |
2818.30 | 000 | Aluminium hydroxide |
28.21 | | Iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3 |
2823.00 | 000 | Titanium oxides |
28.25 | | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides |
2825.10 | | Hydrazine and hydroxylamine and their inorganic salts |
2825.10 | 050 | - Hydrazine and its inorganic salts |
2825.10 | 090 | -Hydroxylamine and its inorganic salts |
2825.40 | 000 | Nickel oxides and hydroxides |