2710.20 | 181 | - Intended for use in the manufacture of petrochemical products stipulated by a Cabinet Order |
2710.20 | 144 | -Intended for use in the manufacture of petrochemical products stipulated by a Cabinet Order |
2710.20 | 151 | - Intended for use in the manufacture of petrochemical products stipulated by a Cabinet Order |
2715.00 | | I.- CHEMICAL ELEMENTS |
28.09 | | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined |
28.18 | | Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide |
2818.10 | | Artificial corundum, whether or not chemically defined |
28.30 | | Sulphides; polysulphides, whether or not chemically defined |
28.35 | | Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined |
28.42 | | Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides |
2842.10 | 000 | Double or complex silicates, including aluminosilicates whether or not chemically defined |
28.43 | | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals |
28.44 | | Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products |
28.45 | | Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined |
28.49 | | Carbides, whether or not chemically defined |
2850.00 | 000 | Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49 |
28.52 | | Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams |
2852.10 | | Chemically defined |
2852.10 | 220 | (2) Chemical preparations for photographic uses (other than varnishes, glues, adhesives and similar preparations) ; unmixed products for photographic uses, put up in measured portions or put up for retail sale in a form ready for use |
28.53 | | Phosphides, whether or not chemically defined, excluding ferrophosphorus; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals |
29.09 | | Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulphonated, nitrated or nitrosated derivatives. |
29.23 | | Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined. |
29.34 | | Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. |