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Use the list below to find which products you are interested in know rules of origin for.

2801: Fluorine, chlorine, bromine and iodine2802: Sulphur, sublimed or precipitated; colloidal sulphur2803: Carbon (carbon blacks and other forms of carbon, nes)2804: Hydrogen, rare gases and other non-metals2805: Alkali or alkaline-earth metals/ rare-earth metals... / mercury2806: Hydrogen chloride (hydrochloric acid)/ chlorosulphuric acid2807: Sulphuric acid/ oleum2808: Nitric acid/ sulphonitric acids2809: Diphosphorus pentaoxide/ phosphoric acid and polyphosphoric acids2810: Oxides of boron/ boric acids2811: Other inorganic acids and other inorganic oxygen compounds of non-metals2812: Halides and halide oxides of non-metals2813: Sulphides of non-metals/ commercial phosphorus trisulphide2814: Ammonia, anhydrous or in aqueous solution2815: Hydroxides and peroxides of sodium or potassium2816: Hydroxide and peroxide of magnesium/ oxides... of strontium or barium2817: Zinc oxide/ zinc peroxide2818: Aluminium oxide (incl. artificial corundum)/ aluminium hydroxide2819: Chromium oxides and hydroxides2820: Manganese oxides2821: Iron oxides and hydroxides/ earth colours with >=70% iron(III)oxide2822: Cobalt oxides and hydroxides/ commercial cobalt oxides2823: Titanium oxides2824: Lead oxides/ red lead and orange lead2825: Hydrazine...and inorganic salts/ inorganic bases/ metal oxides..., nes2826: Fluorides/ fluorosilicates... and other complex fluorine salts2827: Chlorides...etc/ bromides...etc/ iodides...etc, nes2828: Hypochlorites/ commercial calcium hypochlorite/ chlorites/ hypobromites2829: Chlorates, perchlorates/ bromates, perbromates/ iodates and periodates2830: Sulphides/ polysulphides2831: Dithionites and sulphoxylates2832: Sulphites/ thiosulphates2833: Sulphates/ alums/ peroxosulphates (persulphates)2834: Nitrites/ nitrates2835: Phosphinates, phosphonates, phosphates and polyphosphates2836: Carbonates/ peroxocarbonates/ commercial ammonium carbonate2837: Cyanides, cyanide oxides and complex cyanides2838: Fulminates/ cyanates and thiocyanates2839: Silicates/ commercial alkali metal silicates2840: Borates/ peroxoborates (perborates)2841: Salts of oxometallic or peroxometallic acids2842: Other salts of inorganic acids or peroxoacids, excluding azides2843: Colloidal precious metals/ their compounds and amalgams2844: Radioactive chemical elements/isotopes and their compounds, etc2845: Isotopes (excl. radioactive)/ their inorganic or organic compounds2846: Compounds, inorganic or organic, of rare-earth metals of yttrium, etc2847: Hydrogen peroxide2848: Phosphides (excluding ferrophosphorus)2849: Carbides2850: Hydrides, nitrides, azides, silicides and borides2851: Other inorganic compounds/ liquid air/ compressed air/ amalgams, nes