Chapter 28 · Section VI

28

Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes

Headings in this chapter 50

• 2801Fluorine, chlorine, bromine and iodine
• 2802Sulphur; sublimed or precipitated, colloidal sulphur
• 2803Carbon; carbon blacks and other forms of carbon n.e.c.
• 2804Hydrogen, rare gases and other non-metals
• 2805Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury
• 2806Hydrogen chloride (hydrochloric acid); chlorosulphuric acid
• 2807Sulphuric acid; oleum
• 2808Nitric acid; sulphonitric acids
• 2809Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined
• 2810Oxides of boron; boric acids
• 2811Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810
• 2812Halides and halide oxides of non-metals
• 2813Sulphides of non-metals; commercial phosphorus trisulphide
• 2814Ammonia; anhydrous or in aqueous solution
• 2815Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash) peroxides of sodium or potassium
• 2816Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides of strontium or barium
• 2817Zinc; oxide and peroxide
• 2818Aluminium oxide (including artificial corundum); aluminium hydroxide
• 2819Chromium oxides and hydroxides
• 2820Manganese oxides
• 2821Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as Fe2o3
• 2822Cobalt oxides and hydroxides; commercial cobalt oxides
• 2823Titanium oxides
• 2824Lead oxides; red lead and orange lead
• 2825Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides
• 2826Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts
• 2827Chlorides; chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides
• 2828Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites
• 2829Chlorates and perchlorates; bromates and perbromates; iodates and periodates
• 2830Sulphides; polysulphides whether or not chemically defined
• 2831Dithionites and sulphoxylates
• 2832Sulphites; thiosulphates
• 2833Sulphates; alums; peroxosulphates (persulphates)
• 2834Nitrites; nitrates
• 2835Phosphinates (hypophosphites), phosphonates (phosphites), and phosphates; and polyphosphates, whether or not chemically defined
• 2836Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate
• 2837Cyanides, cyanide oxides and complex cyanides
• 2839Silicates; commercial alkali metal silicates
• 2840Borates; peroxoborates (perborates)
• 2841Salts of oxometallic or peroxometallic acids
• 2842Salts of inorganic acids or peroxoacids, n.e.c. including aluminosilicates whether or not chemically defined, but excluding azides
• 2843Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals
• 2844Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes); and their compounds; mixtures and residues containing these products
• 2845Isotopes other than those of heading no. 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined
• 2846Compounds, inorganic or organic, of rare-earth metals; of yttrium or of scandium or of mixtures of these metals
• 2847Hydrogen peroxide; whether or not solidified with urea
• 2849Carbides, whether or not chemically defined
• 2850Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading no. 2849
• 2852Inorganic or organic compounds of mercury, excluding amalgams, whether or not chemically defined
• 2853Phosphides, chemically defined or not, not ferrophosphorus; other inorganic compounds n.e.c. (including distilled, conductivity water and water of like purity); liquid air, rare gases removed or not; compressed air; amalgams, not precious metal amalgams