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Sistema armonizado
Section VI
PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES
Chapter 28
Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
Heading 2801
Fluorine, chlorine, bromine and iodine.
Heading 2802
Sulphur, sublimed or precipitated; colloidal sulphur.
Heading 2803
Carbon (carbon blacks and other forms of carbon not elsewhere specified or included).
Heading 2804
Hydrogen, rare gases and other non-metals.
Heading 2805
Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury.
Heading 2806
Hydrogen chloride (hydrochloric acid); chlorosulphuric acid.
Heading 2807
Sulphuric acid; oleum.
Heading 2808
Nitric acid; sulphonitric acids.
Heading 2809
Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined.
Heading 2810
Oxides of boron; boric acids.
Heading 2811
Other inorganic acids and other inorganic oxygen compounds of non-metals.
Heading 2812
Halides and halide oxides of non-metals.
Heading 2813
Sulphides of non-metals; commercial phosphorus trisulphide.
Heading 2814
Ammonia, anhydrous or in aqueous solution.
Heading 2815
Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium.
Heading 2816
Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium.
Heading 2817
Zinc oxide; zinc peroxide.
Heading 2818
Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide.
Heading 2819
Chromium oxides and hydroxides.
Heading 2820
Manganese oxides.
Heading 2821
Iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3.
Heading 2822
Cobalt oxides and hydroxides; commercial cobalt oxides.
Heading 2823
Titanium oxides.
Heading 2824
Lead oxides; red lead and orange lead.
Heading 2825
Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides.
Heading 2826
Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts.
Heading 2827
Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides.
Heading 2828
Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites.
Heading 2829
Chlorates and perchlorates; bromates and perbromates; iodates and periodates.
Heading 2830
Sulphides; polysulphides, whether or not chemically defined.
Heading 2831
Dithionites and sulphoxylates.
Heading 2832
Sulphites; thiosulphates.
Heading 2833
Sulphates; alums; peroxosulphates (persulphates).
Heading 2834
Nitrites; nitrates.
Heading 2835
Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined.
Heading 2836
Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate.
Heading 2837
Cyanides, cyanide oxides and complex cyanides.
Heading 2838
(deleted)
Heading 2839
Silicates; commercial alkali metal silicates.
Heading 2840
Borates; peroxoborates (perborates).
Heading 2841
Salts of oxometallic or peroxometallic acids.
Heading 2842
Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides.
Heading 2843
Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals.
Heading 2844
Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products.
Heading 2845
Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined.
Heading 2846
Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals.
Heading 2847
Hydrogen peroxide, whether or not solidified with urea.
Heading 2848
Phosphides, whether or not chemically defined, excluding ferrophosphorus.
Heading 2849
Carbides, whether or not chemically defined.
Heading 2850
Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49.
Heading 2851
(deleted)
Heading 2852
Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams.
Heading 2853