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Chapter 28 — HTS Headings
Subheadings
2801Fluorine, chlorine, bromine and iodine:
→2802.00.00.00Sulfur, sublimed or precipitated; colloidal sulfur
→2803.00.00Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)
→2804Hydrogen, rare gases and other nonmetals:
→2805Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury:
→2806Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid:
→2807.00.00.00Sulfuric acid; oleum
→2808.00.00Nitric acid; sulfonitric acids
→2809Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined:
→2810.00.00.00Oxides of boron; boric acids
→2811Other inorganic acids and other inorganic oxygen compounds of nonmetals:
→2812Halides and halide oxides of nonmetals:
→2813Sulfides of nonmetals; commercial phosphorus trisulfide:
→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:
→2817.00.00.00Zinc oxide; zinc peroxide
→2818Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide:
→2819Chromium oxides and hydroxides:
→2820Manganese oxides:
→2821Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3:
→2822.00.00Cobalt oxides and hydroxides; commercial cobalt oxides
→2823.00.00.00Titanium 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:
→2830Sulfides; polysulfides, whether or not chemically defined:
→2831Dithionites and sulfoxylates:
→2832Sulfites; thiosulfates:
→2833Sulfates; alums; peroxosulfates (persulfates):
→2834Nitrites; nitrates:
→2835Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; 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:
→2842Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than 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 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:
→2847.00.00.00Hydrogen peroxide, whether or not solidified with urea
→2849Carbides, whether or not chemically defined:
→2850.00Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849:
→2852Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams:
→2853Phosphides, whether or not chemically defined, excluding ferrophosphorous; 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:
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