2801 - Fluorine, chlorine, bromine and iodine

2802 - Sulphur, sublimed or precipitated; colloidal sulphur

2803 - Carbon [carbon blacks and other forms of carbon not elsewhere specified or included]

2804 - Hydrogen, rare gases and other non-metals

2805 - Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury

2806 - Hydrogen chloride [hydrochloric acid]; chlorosulphuric acid

2807 - Sulphuric acid; oleum

2808 - Nitric acid; sulphonitric acids

2809 - Diphosphorus pentaoxide; phosphoric acid and polyphosphoric acids whether or not chemically defined

2810 - Oxides of boron;boric acids

2811 - Other inorganic acids and other in-organic oxygen compounds of non-metals

2812 - Halides and halide oxides of non-metals

2813 - Sulphides of non-metals; commercial phosphorus trisulphide

2814 - Ammonia, anhydrous or in aqueous solution

2815 - Sodium hydroxide [caustic soda]; potassium hydroxide [caustic potash]; peroxides of sodium or potassium

2816 - Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium

2817 - Zinc oxide; zinc peroxide

2818 - Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide

2819 - Chromium oxides and hydroxides

2820 - Manganese oxides

2821 - Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as fe2o3

2822 - Cobalt oxides and hydroxides; commercial cobalt oxides

2823 - Titanium oxides

2824 - Lead oxides; red lead and orange lead

2825 - Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides

2826 - Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts

2827 - Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides

2828 - Hypochlorites; commercial calcium hypochlorites; chlorites; hypobromites

2829 - Chlorates and perchlorates; bromates and perbromates; iodates and periodates

2830 - Sulphides; polysulphides whether or not chemically defined

2831 - Dithionites and sulphoxylates

2832 - Sulphites; thiosulphates

2833 - Sulphates; alums; peroxosulphates [persulphates]

2834 - Nitrites; nitrates

2835 - Phosphinates [hypophosphites], phosphonates [phosphites], phosphates and polyphosphates whether or not chemically defined

2836 - Carbonates; peroxocarbonates [percarbonates]; commercial ammonium carbonate containing ammonium carbamate

2837 - Cyanides, cyanide oxides and complex cyanides

2838 - Omitted

2839 - Silicates; commercial alkali metal silicates

2840 - Borates; peroxoborates [perborates]

2841 - Salts of oxometallic or peroxometallic acids

2842 - Other salts of inorganic acids or peroxoacids,[including aluminosilicates whether or not chemically defined], other than azides

2843 - Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals

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

2845 - Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined

2846 - Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals

2847 - Hydrogen peroxide, whether or not solidified with urea

2848 - Phosphides, whether or not chemically defined, excluding ferrophosphorus

2849 - Carbides, whether or not chemically defined

2850 - Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849

2851 - Omitted

2853 - 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