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Chapter 28

Code Description General Rate
2801 Fluorine, Chlorine, Bromine And Iodine
2801.10.00.00 Chlorine Free
2801.20.00.00 Iodine Free
2801.30 Fluorine; bromine:
2801.30.10.00 Fluorine 3.7%
2801.30.20.00 Bromine 5.5%
2802.00.00.00 Sulfur, sublimed or precipitated; colloidal sulfur Free
2803.00.00 Carbon (carbon blacks and other forms of carbon not elsewhere specified or included) Free
2803.00.00.10 Carbon black
2803.00.00.50 Other (2803.00.00.50)
2804 Hydrogen, rare gases and other nonmetals:
2804.10.00.00 Hydrogen 3.7%
2804.21.00.00 Argon 3.7%
2804.29.00 Other (2804.29.00) 3.7%
2804.29.00.10 Helium
2804.29.00.20 Neon
2804.29.00.30 Isotopically pure rare gases having a purity of 99 percent or more by volume
2804.29.00.55 Other (2804.29.00.55)
2804.30.00.00 Nitrogen 3.7%
2804.40.00.00 Oxygen 3.7%
2804.50.00 Boron; tellurium Free
2804.50.00.10 Boron
2804.50.00.20 Tellurium
2804.61.00.00 Containing by weight not less than 99.99 percent of silicon Free
2804.69 Other:
2804.69.10.00 Containing by weight less than 99.99 percent but not less than 99 percent of silicon 5.3%
2804.69.50.00 Other (2804.69.50.00) 5.5%
2804.70.00.00 Phosphorus Free
2804.80.00.00 Arsenic Free
2804.90.00.00 Selenium Free
2805 Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury:
2805.11.00.00 Sodium 5.3%
2805.12.00.00 Calcium 3%
2805.19 Other:
2805.19.10.00 Strontium 3.7%
2805.19.20.00 Barium Free
2805.19.90 Other (2805.19.90) 5.5%
2805.19.90.10 Lithium
2805.19.90.90 Other (2805.19.90.90)
2805.30.00 Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed 5%
2805.30.00.05 Lanthanum
2805.30.00.10 Cerium
2805.30.00.15 Praseodymium
2805.30.00.20 Neodymium
2805.30.00.50 Other (2805.30.00.50)
2805.30.00.90 Other (2805.30.00.90)
2805.40.00.00 Mercury 1.7%
2806 Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid:
2806.10.00.00 Hydrogen chloride (Hydrochloric acid) Free
2806.20.00.00 Chlorosulfuric acid 4.2%
2807.00.00.00 Sulfuric acid; oleum Free
2808.00.00 Nitric acid; sulfonitric acids Free
2808.00.00.10 Nitric acid
2808.00.00.20 Sulfonitric acids
2809 Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined:
2809.10.00.00 Diphosphorus pentaoxide Free
2809.20.00 Phosphoric acid and polyphosphoric acids Free
2809.20.00.10 Containing less than 65 percent available diphosphorus pentaoxide (P<sub>2</sub>O<sub>5</sub>) equivalents
2809.20.00.20 Other (2809.20.00.20)
2809.20.00.30 Other (2809.20.00.30)
2809.20.00.40 Polyphosphoric acids
2810.00.00.00 Oxides of boron; boric acids 1.5%
2811 Other inorganic acids and other inorganic oxygen compounds of nonmetals:
2811.11.00.00 Hydrogen fluoride (Hydrofluoric acid) Free
2811.12.00.00 Hydrogen cyanide (hydrocyanic acid) 4.2%
2811.19 Other:
2811.19.10.00 Arsenic acid 2.3%
2811.19.30.00 Hydrobromic acid Free
2811.19.61 Other (2811.19.61) 4.2%
2811.19.61.10 Sulfamic acid
2811.19.61.90 Other (2811.19.61.90)
2811.21.00.00 Carbon dioxide 3.7%
2811.22 Silicon dioxide:
2811.22.10.00 Synthetic silica gel 3.7%
2811.22.50.00 Other (2811.22.50.00) Free
2811.29 Other:
2811.29.10.00 Arsenic trioxide Free
2811.29.20.00 Selenium dioxide Free
2811.29.30.00 Sulfur dioxide 4.2%
2811.29.50.00 Other (2811.29.50.00) 3.7%
2812 Halides and halide oxides of nonmetals:
2812.11.00.00 Carbonyl dichloride (phosgene) 3.7%
2812.12.00.00 Phosphorous oxychloride 3.7%
2812.13.00.00 Phosphorous trichloride 3.7%
2812.14.00.00 Phosphorous pentachloride Free
2812.15.00.00 Sulfur monochloride 3.7%
2812.16.00.00 Sulfur dichloride 3.7%
2812.17.00.00 Thionyl chloride 3.7%
2812.19.00 Other (2812.19.00) 3.7%
2812.19.00.10 Arsenic trichloride
2812.19.00.90 Other (2812.19.00.90)
2812.90.00 Other (2812.90.00) 3.7%
2812.90.00.10 Sulfur hexafluoride
2812.90.00.90 Other (2812.90.00.90)
2813 Sulfides of nonmetals; commercial phosphorus trisulfide:
2813.10.00.00 Carbon disulfide 3.7%
2813.90 Other:
2813.90.10.00 Of arsenic Free
2813.90.20.00 Of phosphorus Free
2813.90.50.00 Other (2813.90.50.00) 3.7%
2814 Ammonia, anhydrous or in aqueous solution:
2814.10.00.00 Anhydrous ammonia Free
2814.20.00.00 Ammonia in aqueous solution Free
2815 Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium:
2815.11.00.00 Solid Free
2815.12.00.00 In aqueous solution (Soda lye or liquid soda) Free
2815.20.00 Potassium hydroxide (Caustic potash) Free
2815.20.00.50 In solid form
2815.20.00.90 Other (2815.20.00.90)
2815.30.00.00 Peroxides of sodium or potassium 3.7%
2816 Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium:
2816.10.00.00 Hydroxide and peroxide of magnesium 3.1%
2816.40 Oxides, hydroxides and peroxides, of strontium or barium:
2816.40.10.00 Of strontium 4.2%
2816.40.20.00 Of barium 2%
2817.00.00.00 Zinc oxide; zinc peroxide Free
2818 Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide:
2818.10 Artificial corundum, whether or not chemically defined:
2818.10.10.00 Crude Free
2818.10.20 In grains, or ground, pulverized or refined 1.3%
2818.10.20.10 White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide
2818.10.20.90 Other (2818.10.20.90)
2818.20.00.00 Aluminum oxide, other than artificial corundum Free
2818.30.00.00 Aluminum hydroxide Free
2819 Chromium oxides and hydroxides:
2819.10.00.00 Chromium trioxide 3.7%
2819.90.00.00 Other (2819.90.00.00) 3.7%
2820 Manganese oxides:
2820.10.00.00 Manganese dioxide 4.7%
2820.90.00.00 Other (2820.90.00.00) 4.7%
2821 Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe<sub>2</sub>O<sub>3</sub>:
2821.10.00 Iron oxides and hydroxides 3.7%
2821.10.00.10 Black
2821.10.00.20 Red
2821.10.00.30 Yellow
2821.10.00.40 Other (2821.10.00.40)
2821.10.00.50 Other (2821.10.00.50)
2821.20.00.00 Earth colors 5.5%
2822.00.00 Cobalt oxides and hydroxides; commercial cobalt oxides 0.1%
2822.00.00.10 Cobalt(II, III) oxide (cobalt tetroxide)
2822.00.00.90 Other (2822.00.00.90)
2823.00.00.00 Titanium oxides 5.5%
2824 Lead oxides; red lead and orange lead:
2824.10.00.00 Lead monoxide (litharge, massicot) 3%
2824.90 Other:
2824.90.10.00 Lead suboxide (leady litharge) 5.5%
2824.90.20.00 Red lead and orange lead 3.4%
2824.90.50.00 Other (2824.90.50.00) 4.8%
2825 Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides:
2825.10.00.00 Hydrazine and hydroxylamine and their inorganic salts 3.7%
2825.20.00.00 Lithium oxide and hydroxide 3.7%
2825.30.00 Vanadium oxides and hydroxides 5.5%
2825.30.00.10 Vanadium pentoxide (anhydride)
2825.30.00.50 Other (2825.30.00.50)
2825.40.00.00 Nickel oxides and hydroxides Free
2825.50 Copper oxides and hydroxides:
2825.50.10.00 Cupric oxide 4.3%
2825.50.20.00 Cuprous oxide 5%
2825.50.30.00 Copper hydroxides 3.9%
2825.60.00 Germanium oxides and zirconium dioxide 3.7%
2825.60.00.10 Germanium dioxide
2825.60.00.20 Zirconium dioxide
2825.60.00.50 Other (2825.60.00.50)
2825.70.00.00 Molybdenum oxides and hydroxides 3.2%
2825.80.00.00 Antimony oxides Free
2825.90 Other:
2825.90.10.00 Beryllium oxide and hydroxide 3.7%
2825.90.15.00 Niobium oxide 3.7%
2825.90.20.00 Tin oxides 4.2%
2825.90.30.00 Tungsten oxides 5.5%
2825.90.75.00 Cadmium oxide Free
2825.90.90.00 Other (2825.90.90.00) 3.7%
2826 Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts:
2826.12.00.00 Of aluminum Free
2826.19 Other:
2826.19.10.00 Of ammonium 3.1%
2826.19.20.00 Of sodium 3.7%
2826.19.90.00 Other (2826.19.90.00) 3.9%
2826.30.00.00 Sodium hexafluoroaluminate (Synthetic cryolite) Free
2826.90 Other:
2826.90.10.00 Fluorosilicates of sodium or of potassium 4.1%
2826.90.90 Other (2826.90.90) 3.1%
2826.90.90.10 Lithium hexafluorophosphate
2826.90.90.90 Other (2826.90.90.90)
2827 Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides:
2827.10.00.00 Ammonium chloride 2.9%
2827.20.00.00 Calcium chloride Free
2827.31.00.00 Of magnesium 1.5%
2827.32.00.00 Of aluminum Free
2827.35.00.00 Of nickel 3.7%
2827.39 Other:
2827.39.10.00 Of vanadium 5.5%
2827.39.25.00 Of tin 4.2%
2827.39.30.00 Of titanium 4.9%
2827.39.40.00 Of tungsten 5.5%
2827.39.45.00 Of barium 4.2%
2827.39.55.00 Of iron 3.7%
2827.39.60.00 Of cobalt 4.2%
2827.39.65.00 Of zinc 1.6%
2827.39.90 Other (2827.39.90) 3.7%
2827.39.90.10 Of lithium
2827.39.90.50 Other (2827.39.90.50)
2827.41.00.00 Of copper 3.9%
2827.49 Other:
2827.49.10.00 Of vanadium 5.5%
2827.49.50.00 Other (2827.49.50.00) 5.5%
2827.51.00.00 Bromides of sodium or of potassium Free
2827.59 Other:
2827.59.25.00 Of ammonium, of calcium or of zinc Free
2827.59.51.00 Other (2827.59.51.00) 3.6%
2827.60 Iodides and iodide oxides:
2827.60.10.00 Of calcium or of copper Free
2827.60.20.00 Of potassium 2.8%
2827.60.51.00 Other (2827.60.51.00) 4.2%
2828 Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites:
2828.10.00.00 Commercial calcium hypochlorite and other calcium hypochlorites 2.4%
2828.90.00.00 Other (2828.90.00.00) 3.7%
2829 Chlorates and perchlorates; bromates and perbromates; iodates and periodates:
2829.11.00.00 Of sodium Free
2829.19.01.00 Other (2829.19.01.00) 3.3%
2829.90 Other:
2829.90.05.00 Potassium bromate Free
2829.90.25.00 Sodium bromate Free
2829.90.40.00 Of potassium 3.1%
2829.90.61.00 Other (2829.90.61.00) 3.7%
2830 Sulfides; polysulfides, whether or not chemically defined:
2830.10.00.00 Sodium sulfides 3.7%
2830.90 Other:
2830.90.10.00 Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight Free
2830.90.15.00 Other zinc sulfide 2.8%
2830.90.20.00 Cadmium sulfide 3.1%
2830.90.90.00 Other (2830.90.90.00) 3%
2831 Dithionites and sulfoxylates:
2831.10 Of sodium:
2831.10.10.00 Sodium formaldehyde sulfoxylate Free
2831.10.50.00 Other (2831.10.50.00) 5.5%
2831.90.00.00 Other (2831.90.00.00) 5.5%
2832 Sulfites; thiosulfates:
2832.10.00.00 Sodium sulfites 1.5%
2832.20.00.00 Other sulfites 3.1%
2832.30 Thiosulfates:
2832.30.10.00 Sodium thiosulfate 1.5%
2832.30.50.00 Other (2832.30.50.00) 3.1%
2833 Sulfates; alums; peroxosulfates (persulfates):
2833.11 Disodium sulfate:
2833.11.10.00 Salt cake Free
2833.11.50 Other (2833.11.50) 0.4%
2833.11.50.10 Anhydrous
2833.11.50.50 Other (2833.11.50.50)
2833.19.00.00 Other (2833.19.00.00) Free
2833.21.00.00 Of magnesium 3.7%
2833.22.00.00 Of aluminum Free
2833.24.00.00 Of nickel 3.2%
2833.25.00.00 Of copper 1.4%
2833.27.00.00 Of barium 0.6%
2833.29 Other:
2833.29.10.00 Of cobalt 1.4%
2833.29.20.00 Of iron Free
2833.29.30.00 Of vanadium 5.5%
2833.29.40.00 Of chromium 3.7%
2833.29.45.00 Of zinc 1.6%
2833.29.51 Other (2833.29.51) 3.7%
2833.29.51.10 Of manganese
2833.29.51.90 Other (2833.29.51.90)
2833.30.00.00 Alums 1.6%
2833.40 Peroxosulfates (persulfates):
2833.40.20.00 Of sodium 3.7%
2833.40.60 Other (2833.40.60) 3.1%
2833.40.60.10 Of potassium
2833.40.60.20 Of ammonium
2833.40.60.50 Other (2833.40.60.50)
2834 Nitrites; nitrates:
2834.10 Nitrites:
2834.10.10.00 Of sodium 5.5%
2834.10.50.00 Other (2834.10.50.00) 3.1%
2834.21.00.00 Of potassium Free
2834.29 Other:
2834.29.05.00 Of bismuth 5.5%
2834.29.10.00 Of calcium Free
2834.29.20.00 Of strontium 4.2%
2834.29.51.00 Other (2834.29.51.00) 3.5%
2835 Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined:
2835.10.00.00 Phosphinates (hypophosphites) and phosphonates (phosphites) 3.1%
2835.22.00.00 Of mono- or disodium 1.4%
2835.24.00.00 Of potassium 3.1%
2835.25.00.00 Calcium hydrogenorthophosphate ("Dicalcium phosphate") Free
2835.26.00.00 Other phosphates of calcium Free
2835.29 Other:
2835.29.10.00 Of aluminum Free
2835.29.20.00 Of triammonium 1.5%
2835.29.30.00 Of trisodium 2.2%
2835.29.51.00 Other (2835.29.51.00) 4.1%
2835.31.00.00 Sodium triphosphate (Sodium tripolyphosphate) 1.4%
2835.39 Other:
2835.39.10.00 Of potassium 3.1%
2835.39.50.00 Other (2835.39.50.00) 3.7%
2836 Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate:
2836.20.00.00 Disodium carbonate 1.2%
2836.30.00.00 Sodium hydrogencarbonate (Sodium bicarbonate) Free
2836.40 Potassium carbonates:
2836.40.10.00 Dipotassium carbonate 1.9%
2836.40.20.00 Potassium hydrogencarbonate (Potassium bicarbonate) 1.3%
2836.50.00.00 Calcium carbonate Free
2836.60.00.00 Barium carbonate 2.3%
2836.91.00 Lithium carbonates 3.7%
2836.91.00.10 U.S.P. grade
2836.91.00.50 Other (2836.91.00.50)
2836.92.00.00 Strontium carbonate 4.2%
2836.99 Other:
2836.99.10.00 Cobalt carbonates 4.2%
2836.99.20.00 Bismuth carbonate 5.5%
2836.99.30.00 Commercial ammonium carbonate and other ammonium carbonates 1.7%
2836.99.40.00 Lead carbonates 0.5%
2836.99.50 Other (2836.99.50) 3.7%
2836.99.50.10 Zirconium carbonates
2836.99.50.50 Other (2836.99.50.50)
2837 Cyanides, cyanide oxides and complex cyanides:
2837.11.00.00 Of sodium Free
2837.19.01 Other (2837.19.01) Free
2837.19.01.10 Potassium cyanide
2837.19.01.15 Calcium cyanide
2837.19.01.25 Other (2837.19.01.25)
2837.20 Complex cyanides:
2837.20.10.00 Potassium ferricyanide 1.1%
2837.20.51.00 Other (2837.20.51.00) 1.7%
2839 Silicates; commercial alkali metal silicates:
2839.11.00.00 Sodium metasilicates 1.1%
2839.19.00.00 Other (2839.19.00.00) 1.1%
2839.90 Other:
2839.90.10.00 Of potassium 3.1%
2839.90.50.00 Other (2839.90.50.00) 3.1%
2840 Borates; peroxoborates (perborates):
2840.11.00.00 Anhydrous 0.3%
2840.19.00.00 Other (2840.19.00.00) 0.1%
2840.20.00.00 Other borates 3.7%
2840.30.00 Peroxoborates (perborates) 3.7%
2840.30.00.10 Sodium perborate
2840.30.00.50 Other (2840.30.00.50)
2841 Salts of oxometallic or peroxometallic acids:
2841.30.00.00 Sodium dichromate 2.4%
2841.50 Other chromates and dichromates; peroxochromates:
2841.50.10.00 Potassium dichromate 1.5%
2841.50.91.00 Other (2841.50.91.00) 3.1%
2841.61.00.00 Potassium permanganate 5%
2841.69.00 Other (2841.69.00) 5%
2841.69.00.10 Sodium permanganate
2841.69.00.90 Other (2841.69.00.90)
2841.70 Molybdates:
2841.70.10.00 Of ammonium 4.3%
2841.70.50.00 Other (2841.70.50.00) 3.7%
2841.80.00 Tungstates (wolframates) 5.5%
2841.80.00.10 Of ammonium
2841.80.00.20 Of calcium
2841.80.00.50 Other (2841.80.00.50)
2841.90 Other:
2841.90.10.00 Vanadates 5.5%
2841.90.20.00 Ammonium perrhenate 3.1%
2841.90.30.00 Potassium stannate 3.1%
2841.90.40.00 Aluminates 3.1%
2841.90.45.00 Chromates of zinc or of lead 3.7%
2841.90.50.00 Other (2841.90.50.00) 3.7%
2842 Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides:
2842.10.00.00 Double or complex silicates, including aluminosilicates whether or not chemically defined 3.7%
2842.90 Other:
2842.90.10.00 Fulminates, cyanates and thiocyanates 3.1%
2842.90.90 Other (2842.90.90) 3.3%
2842.90.90.10 Selenides and tellurides
2842.90.90.50 Other (2842.90.90.50)
2843 Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals:
2843.10.00.00 Colloidal precious metals 5.5%
2843.21.00.00 Silver nitrate 3.7%
2843.29.01.00 Other (2843.29.01.00) 3.7%
2843.30.00.00 Gold compounds 5%
2843.90.00.00 Other compounds; amalgams 3.7%
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:
2844.10 Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds:
2844.10.10.00 Uranium metal 5%
2844.10.20 Uranium compounds Free
2844.10.20.10 Oxide
2844.10.20.25 Hexafluoride
2844.10.20.55 Other (2844.10.20.55)
2844.10.50.00 Other (2844.10.50.00) 5%
2844.20.00 Uranium enriched in U235 and its compounds; plutonium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium enriched in U235, plutonium or compounds of these products Free
2844.20.00.10 Oxide
2844.20.00.20 Fluorides
2844.20.00.30 Other (2844.20.00.30)
2844.20.00.50 Other (2844.20.00.50)
2844.30 Uranium depleted in U235 and its compounds; thorium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235, thorium, or compounds of these products:
2844.30.10.00 Thorium compounds 5.5%
2844.30.20 Uranium compounds Free
2844.30.20.10 Oxide
2844.30.20.20 Fluorides
2844.30.20.50 Other (2844.30.20.50)
2844.30.50 Other (2844.30.50) 5%
2844.30.50.10 Uranium metal
2844.30.50.50 Other (2844.30.50.50)
2844.41.00.00 Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds Free
2844.42.00.00 Actinium-225, actinium-227, californium-253, curium-240, curium-241, curium-242, curium-243, curium-244, einsteinium-253, einsteinium-254, gadolinium-148, polonium-208, polonium-209, polonium-210, radium-223, uranium-230 or uranium-232, and their compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements or compounds Free
2844.43.00 Other radioactive elements and isotopes and compounds; other alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds Free
2844.43.00.10 Elements, isotopes and compounds with cobalt-60 radioactivity only
2844.43.00.21 Americium-241, californium-252, cesium-137, gadolinium-153, idium-192, promethium-147, radium-226, selenium-75, or ytterbium-169
2844.43.00.28 Other (2844.43.00.28)
2844.43.00.50 Other (2844.43.00.50)
2844.44.00.00 Radioactive residues Free
2844.50.00.00 Spent (irradiated) fuel elements (cartridges) of nuclear reactors Free
2845 Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined:
2845.10.00.00 Heavy water (Deuterium oxide) Free
2845.20.00.00 Boron enriched in boron-10 and its compounds Free
2845.30.00.00 Lithium enriched in lithium-6 and its compounds Free
2845.40.00.00 Helium-3 Free
2845.90.01.00 Other (2845.90.01.00) Free
2846 Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals:
2846.10.00 Cerium compounds 5.5%
2846.10.00.10 Cerium oxides
2846.10.00.50 Other (2846.10.00.50)
2846.90 Other:
2846.90.20 Mixtures of rare-earth oxides or of rare-earth chlorides Free
2846.90.20.05 Containing lanthanum as the predominant metal
2846.90.20.15 Containing yttrium or scandium as the predominant metal
2846.90.20.40 Other (2846.90.20.40)
2846.90.20.82 Containing yttrium or scandium as the predominant metal
2846.90.20.84 Other (2846.90.20.84)
2846.90.40.00 Yttrium bearing materials and compounds containing by weight more than 19 percent but less than 85 percent yttrium oxide equivalent Free
2846.90.80 Other (2846.90.80) 3.7%
2846.90.80.70 Containing lanthanum as the predominant metal
2846.90.80.75 Other (2846.90.80.75)
2846.90.80.90 Other (2846.90.80.90)
2847.00.00.00 Hydrogen peroxide, whether or not solidified with urea 3.7%
2849 Carbides, whether or not chemically defined:
2849.10.00.00 Of calcium 1.8%
2849.20 Of silicon:
2849.20.10.00 Crude Free
2849.20.20.00 In grains, or ground, pulverized or refined 0.5%
2849.90 Other:
2849.90.10.00 Of boron 3.7%
2849.90.20.00 Of chromium 4.2%
2849.90.30.00 Of tungsten 5.5%
2849.90.50.00 Other (2849.90.50.00) 3.7%
2850.00 Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849:
2850.00.05.00 Of calcium Free
2850.00.07.00 Of titanium 4.9%
2850.00.10.00 Of tungsten 5.5%
2850.00.20.00 Of vanadium 5.5%
2850.00.50.00 Other (2850.00.50.00) 3.7%
2852 Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams:
2852.10 Chemically defined:
2852.10.10.00 Mercuric oxide, mercuric cyanide, mercuric oxycyanide and mercuric potassium cyanide Free
2852.10.90.00 Other (2852.10.90.00) 3%
2852.90 Other:
2852.90.05.00 Albuminates, tannates and phosphides of mercury Free
2852.90.90.00 Other (2852.90.90.00) 3%
2853 Phosphides, 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:
2853.10.00.00 Cyanogen chloride (chloorcyan) 2.8%
2853.90 Other:
2853.90.10.00 Of copper (phosphor copper), containing more than 15 percent by weight of phosphorous 2.6%
2853.90.50.00 Of other metals or nonmetals Free
2853.90.90 Other (2853.90.90) 2.8%
2853.90.90.10 Gallium arsenide wafers, undoped
2853.90.90.90 Other (2853.90.90.90)