| 28.13 |  | Sulphides of non-metals; commercial phosphorus trisulphide | 
| 2813.10 | 000 | Carbon disulphide | 
| 2813.90 |  | IV.- INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS | 
| 28.14 |  | Ammonia, anhydrous or in aqueous solution | 
| 2814.20 | 000 | Ammonia in aqueous solution | 
| 2815.11 | 000 | Solid | 
| 2815.12 | 000 | In aqueous solution (soda lye or liquid soda) | 
| 28.18 |  | Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide | 
| 2818.10 |  | Artificial corundum, whether or not chemically defined | 
| 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 | 
| 2821.20 | 000 | Earth colours | 
| 2822.00 |  | Cobalt oxides and hydroxides; commercial cobalt oxides | 
| 2822.00 | 010 | - Cobalt oxides and commercial cobalt oxides | 
| 2822.00 | 090 | - Cobalt hydroxides | 
| 28.24 |  | Lead oxides; red lead and orange lead | 
| 2824.10 | 000 | Lead monoxide (litharge, massicot) | 
| 2824.90 | 100 | 1 Red lead and orange lead | 
| 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 |