end of header
Foreign Trade
You are here: Census.gov › Business & Industry › Foreign Trade › Schedule B
| Section VI - Chapter 28 | |||
| Inorganic Chemicals; Organic or Inorganic Compounds of Precious Metals, of Rare-Earth Metals, of Radioactive Elements or of Isotopes | |||
| Notes | |||
| 1. | Except where the context otherwise requires, the headings of this chapter apply only to: | ||
| (a). | Separate chemical elements and separate chemically defined compounds, whether or not containing impurities; | ||
| (b). | The products mentioned in (a) above dissolved in water; | ||
| (c). | Products mentioned in (a) above dissolved in other solvents provided that the solution constitutes a normal and necessary method of putting up these products adopted solely for reasons of safety or for transport and that the solvent does not render the product particularly suitable for a specific use rather than for general use; | ||
| (d). | The products mentioned in (a), (b) or (c) above with an added stabilizer (including an anticaking agent) necessary for their preservation or transport; | ||
| (e). | The products mentioned in (a), (b), (c) or (d) above with an added antidusting agent or a coloring substance added to facilitate their identification or for safety reasons, provided that the additions do not render the product particularly suitable for a specific use rather than for general use. | ||
| 2. | In addition to dithionites and sulfoxylates, stabilized with organic substances (heading 2831), carbonates and peroxocarbonates of inorganic bases (heading 2836), cyanides, cyanide oxides and complex cyanides of inorganic bases (heading 2837), fulminates, cyanates and thiocyanates, of inorganic bases (heading 2842), organic products included in headings 2843 to 2846 and 2852 and carbides (heading 2849), only the following compounds of carbon are to be classified in this chapter: | ||
| (a). | Oxides of carbon, hydrogen cyanide and fulminic, isocyanic, thiocyanic and other simple or complex cyanogen acids (heading 2811); | ||
| (b). | Halide oxides of carbon (heading 2812); | ||
| (c). | Carbon disulfide (heading 2813); | ||
| (d). | Thiocarbonates, selenocarbonates, tellurocarbonates, selenocyanates, tellurocyanates, tetrathiocyanatodiamminochromates (reineckates) and other complex cyanates, of inorganic bases (heading 2842); | ||
| (e). | Hydrogen peroxide, solidified with urea (heading 2847), carbon oxysulfide, thiocarbonyl halides, cyanogen, cyanogen halides and cyanamide and its metalderivatives (heading 2853) other than calcium cyanamide, whether or not pure (chapter 31). | ||
| 3. | Subject to the provisions of note 1 to section VI, this chapter does not cover: | ||
| (a). | Sodium chloride and magnesium oxide, whether or not pure, and other productsof section V; | ||
| (b). | Organo-inorganic compounds other than those mentioned in note 2 above; | ||
| (c). | Products mentioned in note 2, 3, 4, or 5 to chapter 31; | ||
| (d). | Inorganic products of a kind used as luminophores, of heading 3206; glass frit and other glass in the form of powder, granules, or flakes, of heading 3207; | ||
| (e). | Artificial graphite (heading 3801); products put up as charges for fire-extinguishers or put up in fire-extinguishing grenades, of heading 3813; ink removers put up in packings for retail sale, of heading 3824; cultured crystals (other than optical elements) weighing not less than 2.5 g each, of the halides of the alkali or alkaline-earth metals, of heading 3824; | ||
| (f). | Precious or semiprecious stones (natural, synthetic or reconstructed) or dust or powder of such stones (headings 7102 to 7105), and precious metals and precious metal alloys of chapter 71; | ||
| (g). | The metals, whether or not pure, metal alloys or cermets, including sintered metal carbides (metal carbides sintered with a metal), of section XV; or | ||
| (h). | Optical elements, for example, of the halides of the alkali or alkaline-earth metals (heading 9001). | ||
| 4. | Chemically defined complex acids consisting of a nonmetal acid of sub-chapter II and ametallic acid of sub-chapter IV are to be classified in heading 2811. | ||
| 5. | Headings 2826 to 2842 apply only to metal or ammonium salts or peroxysalts. Exceptwhere the context otherwise requires, double or complex salts are to be classified in heading 2842. | ||
| 6. | Heading 2844 applies only to: | ||
| (a). | Technetium (atomic No. 43), promethium (atomic No. 61), polonium (atomic No. 84) and all elements with an atomic number greater than 84; | ||
| (b). | Natural or artificial radioactive isotopes (including those of the precious metals or of the base metals of sections XIV and XV), whether or not mixed together; | ||
| (c). | Compounds, inorganic or organic, of these elements or isotopes, whether or not chemically defined, whether or not mixed together; | ||
| (d). | Alloys, dispersions (including cermets), ceramic products and mixtures containing these elements or isotopes or inorganic or organic compounds thereof and having a specific radioactivity exceeding 74 becquerels per gram (0.002 microcurie per gram); | ||
| (e). | Spent (irradiated) fuel elements (cartridges) of nuclear reactors; | ||
| (f). | Radioactive residues whether or not usable. The term "isotope", for the purposes of this note and of the wording of headings 2844 and 2845, refers to: | ||
| (i). individual nuclides, excluding, however, those existing in nature in themonoisotopic state; | |||
| (ii). mixtures of isotopes of one and the same element, enriched in one or several of the said isotopes, that is, elements of which the natural isotopic composition has been artificially modified. | |||
| 7. | Heading 2848 includes copper phosphide (phosphor copper) containing more than 15 percent by weight of phosphorus. | ||
| 8. | Chemical elements (for example, silicon and selenium) doped for use in electronics areto be classified in this chapter, provided that they are in forms unworked as drawn, or in the form of cylinders or rods. When cut in the form of discs, wafers or similar forms, they fall in heading 3818. | ||
| Subheading Note | |||
| 1. | For the purposes of subheading 2852.10, the expression chemically defined means all organic or inorganic compounds of mercury meeting the requirements of paragraphs (a) to (e) of note 1 to chapter 28 or paragraphs (a) to (h) of note 1 to chapter 29. | ||
| Schedule B No. and Headings | Commodity Description | Unit of Quantity | Second Quantity |
|---|---|---|---|
| 28 | Inorganic Chemicals; Organic or Inorganic Compounds of Precious Metals, of Rare-Earth Metals, of Radioactive Elements or of Isotopes | ||
| 28.01 | - Fluorine, chlorine, bromine and iodine: | ||
| 2801.10.0000 | - - Chlorine | kg | |
| 2801.20.0000 | - - Iodine | kg | |
| 2801.30.1000 | - - Fluorine | kg | |
| 2801.30.2000 | - - Bromine | kg | |
| 2802.00.0000 | - Sulfur, sublimed or precipitated; colloidal sulfur | t | |
| 28.03 | - Carbon (carbon blacks and other forms of carbon not elsewhere specified or included): | ||
| 2803.00.0010 | - - Carbon black | kg | |
| 2803.00.0050 | - - Other | kg | |
| 28.04 | - Hydrogen, rare gases and other nonmetals: | ||
| 2804.10.0000 | - - Hydrogen | Ths m3 | |
| - - Rare gases: | |||
| 2804.21.0000 | - - - Argon | Ths m3 | |
| 2804.29 | - - - Other: | ||
| 2804.29.0010 | - - - - Helium | Ths m3 | |
| 2804.29.0050 | - - - - Other | Ths m3 | |
| 2804.30.0000 | - - Nitrogen | Ths m3 | |
| 2804.40.0000 | - - Oxygen | Ths m3 | |
| 2804.50.0010 | - - Boron | kg | |
| 2804.50.0020 | - - Tellurium | kg | |
| - - Silicon: | |||
| 2804.61.0000 | - - - Containing by weight not less than 99.99 percent of silicon | kg | |
| 2804.69 | - - - Other: | ||
| 2804.69.1000 | - - - - Containing by weight less than 99.99 percent but not less than 99 percent silicon | kg | Si kg |
| 2804.69.5000 | - - - - Other | kg | Si kg |
| 2804.70.0000 | - - Phosphorus | kg | |
| 2804.80.0000 | - - Arsenic | kg | |
| 2804.90.0000 | - - Selenium | kg | |
| 28.05 | - Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: | ||
| - - Alkali metals or alkaline-earth metals: | |||
| 2805.11.0000 | - - - Sodium | kg | |
| 2805.12.0000 | - - - Calcium | kg | |
| 2805.19 | - - - Other: | ||
| 2805.19.3050 | - - - - Strontium and barium | kg | |
| 2805.19.9000 | - - - - Other | kg | |
| 2805.30.0000 | - - Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed | kg | |
| 2805.40.0000 | - - Mercury | kg | |
| 28.06 | - Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid: | ||
| 2806.10.0000 | - - Hydrogen chloride (Hydrochloric acid) | t | |
| 2806.20.0000 | - - Chlorosulfuric acid | kg | |
| 2807.00.0000 | - Sulfuric acid; oleum | t | |
| 2808.00.0000 | - Nitric acid; sulfonitric acids | kg | |
| 28.09 | - Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined: | ||
| 2809.10.0000 | - - Diphosphorus pentaoxide | kg | |
| 2809.20 | - - Phosphoric acid and polyphosphoric acids: | ||
| - - - Phosphoric acids: | |||
| - - - - Fertilizer grade: | |||
| 2809.20.0010 | - - - - - Less than 65 percent available diphosphorus pentoxide (P2O5) equivalents | t | |
| 2809.20.0020 | - - - - - Other | t | |
| 2809.20.0030 | - - - - Other | t | |
| 2809.20.0040 | - - - Polyphosphoric acids | t | |
| 2810.00.0000 | - Oxides of boron; boric acids | t | |
| 28.11 | - Other inorganic acids and other inorganic oxygen compounds of nonmetals: | ||
| - - Other inorganic acids: | |||
| 2811.11.0000 | - - - Hydrogen fluoride (Hydrofluoric acid) | kg | |
| 2811.19 | - - - Other: | ||
| 2811.19.6005 | - - - - Hydrogen cyanide | kg | |
| 2811.19.9000 | - - - - Other | kg | |
| - - Other inorganic oxygen compounds of nonmetals: | |||
| 2811.21.0000 | - - - Carbon dioxide | t | |
| 2811.22.0000 | - - - Silicon dioxide | kg | |
| 2811.29 | - - - Other: | ||
| 2811.29.3000 | - - - - Sulfur dioxide | kg | |
| 2811.29.9000 | - - - - Other | kg | |
| 28.12 | - Halides and halide oxides of nonmetals: | ||
| 2812.10 | - - Chlorides and chloride oxides: | ||
| 2812.10.1000 | - - - Phosphorus pentachloride | kg | |
| 2812.10.5005 | - - - Arsenic trichloride, carbonyl dichloride (phosgene), sulfur monochloride, sulfur dichloride and thionyl chloride | kg | |
| 2812.10.5010 | - - - Phosphorus oxychloride (Phosphoryl chloride) and trichloride | kg | |
| 2812.10.5090 | - - - Other | kg | |
| 2812.90.0000 | - - Other | kg | |
| 28.13 | - Sulfides of nonmetals; commercial phosphorus trisulfide: | ||
| 2813.10.0000 | - - Carbon disulfide | kg | |
| 2813.90 | - - Other: | ||
| 2813.90.2000 | - - - Of phosphorus | kg | |
| 2813.90.6000 | - - - Other | kg | |
| 28.14 | - Ammonia, anhydrous or in aqueous solution: | ||
| 2814.10.0000 | - - Anhydrous ammonia | t | |
| 2814.20.0000 | - - Ammonia in aqueous solution | t | NH3 t |
| 28.15 | - Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: | ||
| - - Sodium hydroxide (Caustic soda): | |||
| 2815.11.0000 | - - - Solid | kg | |
| 2815.12.0000 | - - - In aqueous solution (Soda lye or liquid soda) | kg | NaOH kg |
| 2815.20 | - - Potassium hydroxide (Caustic potash): | ||
| 2815.20.0050 | - - - In solid form | kg | |
| 2815.20.0090 | - - - Other | kg | |
| 2815.30.0000 | - - Peroxides of sodium or potassium | kg | |
| 28.16 | - Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium: | ||
| 2816.10.0000 | - - Hydroxide and peroxide of magnesium | kg | |
| 2816.40 | - - Oxides, hydroxides, and peroxides of strontium or barium: | ||
| 2816.40.1000 | - - - Of strontium | kg | |
| 2816.40.2000 | - - - Of barium | kg | |
| 2817.00.0000 | - Zinc oxide; zinc peroxide | kg | |
| 28.18 | - Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: | ||
| 2818.10.0000 | - - Artificial corundum, whether or not chemically defined | kg | |
| 2818.20.0000 | - - Aluminum oxide, other than artificial corundum | kg | |
| 2818.30.0000 | - - Aluminum hydroxide | kg | |
| 28.19 | - Chromium oxides and hydroxides: | ||
| 2819.10.0000 | - - Chromium trioxide | kg | |
| 2819.90.0000 | - - Other | kg | |
| 28.20 | - Manganese oxides: | ||
| 2820.10.0000 | - - Manganese dioxide | kg | |
| 2820.90.0000 | - - Other | kg | |
| 28.21 | - Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3: | ||
| 2821.10 | - - Iron oxides and hydroxides: | ||
| 2821.10.0005 | - - - Synthetic pigments | kg | |
| 2821.10.0050 | - - - Other | kg | |
| 2821.20.0000 | - - Earth colors | kg | |
| 2822.00.0000 | - Cobalt oxides and hydroxides; commercial cobalt oxides | kg | |
| 2823.00.0000 | - Titanium oxides | kg | |
| 28.24 | - Lead oxides; red lead and orange lead: | ||
| 2824.10.0000 | - - Lead monoxide (Litharge, massicot) | kg | |
| 2824.90 | - - Other: | ||
| 2824.90.2000 | - - - Red lead and orange lead | kg | |
| 2824.90.9000 | - - - Other | kg | |
| 28.25 | - Hydrazine and hydroxylamine and their inorganic salts; other in- organic bases; other metal oxides, hydroxides and peroxides: | ||
| 2825.10.0000 | - - Hydrazine and hydroxylamine and their inorganic salts | kg | |
| 2825.20.0000 | - - Lithium oxide and hydroxide | kg | |
| 2825.30 | - - Vanadium oxides and hydroxides: | ||
| 2825.30.0010 | - - - Vanadium pentoxide | V kg | |
| 2825.30.0050 | - - - Other | V kg | |
| 2825.40.0000 | - - Nickel oxides and hydroxides | kg | |
| 2825.50.0000 | - - Copper oxides and hydroxides | kg | |
| 2825.60.0000 | - - Germanium oxides and zirconium dioxide | kg | |
| 2825.70.0000 | - - Molybdenum oxides and hydroxides | kg | |
| 2825.80.0000 | - - Antimony oxides | kg | |
| 2825.90.0002 | - - Other | kg | |
| 28.26 | - Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: | ||
| - - Fluorides: | |||
| 2826.12.0000 | - - - Of aluminum | kg | |
| 2826.19 | - - - Other: | ||
| 2826.19.1500 | - - - - Of ammonium or of sodium | kg | |
| 2826.19.9010 | - - - - Of potassium | kg | |
| 2826.19.9080 | - - - - Other | kg | |
| 2826.30.0000 | - - Sodium hexafluoroaluminate (Synthetic cryolite) | t | |
| 2826.90 | - - Other: | ||
| 2826.90.1000 | - - - Fluorosilicates of sodium or of potassium | kg | |
| 2826.90.9000 | - - - Other | kg | |
| 28.27 | - Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: | ||
| 2827.10.0000 | - - Ammonium chloride | kg | |
| 2827.20.0000 | - - Calcium chloride | kg | |
| - - Other chlorides: | |||
| 2827.31.0000 | - - - Of magnesium | kg | |
| 2827.32.0000 | - - - Of aluminum | kg | |
| 2827.35.0000 | - - - Of nickel | kg | |
| 2827.39 | - - - Other: | ||
| 2827.39.2500 | - - - - Of tin | kg | |
| 2827.39.4500 | - - - - Of barium | kg | |
| 2827.39.5500 | - - - - Of iron | kg | |
| 2827.39.6000 | - - - - Of cobalt | kg | |
| 2827.39.6500 | - - - - Of zinc | kg | |
| 2827.39.9150 | - - - - Other | kg | |
| - - Chloride oxides and chloride hydroxides: | |||
| 2827.41.0000 | - - - Of copper | kg | |
| 2827.49.0000 | - - - Other | kg | |
| - - Bromides and bromide oxides: | |||
| 2827.51.0000 | - - - Bromides of sodium or of potassium | kg | |
| 2827.59.0000 | - - - Other | kg | |
| 2827.60 | - - Iodides and iodide oxides: | ||
| 2827.60.2000 | - - - Of potassium | kg | |
| 2827.60.6100 | - - - Other | kg | |
| 28.28 | - Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites: | ||
| 2828.10.0000 | - - Commercial calcium hypochlorite and other calcium hypochlorites | kg | |
| 2828.90.0000 | - - Other | kg | |
| 28.29 | - Chlorates and perchlorates; bromates and perbromates; iodates and periodates: | ||
| - - Chlorates: | |||
| 2829.11.0000 | - - - Of sodium | kg | |
| 2829.19.0000 | - - - Other | kg | |
| 2829.90.0000 | - - Other | kg | |
| 28.30 | - Sulfides; polysulfides, whether or not chemically defined: | ||
| 2830.10.0000 | - - Sodium sulfides | kg | |
| 2830.90 | - - Other: | ||
| 2830.90.1000 | - - - Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight | kg | |
| 2830.90.1500 | - - - Other zinc sulfide | kg | |
| 2830.90.2000 | - - - Cadmium sulfide | kg | |
| 2830.90.9000 | - - - Other | kg | |
| 28.31 | - Dithionites and sulfoxylates: | ||
| 2831.10 | - - Of sodium: | ||
| 2831.10.1000 | - - - Sodium formaldehyde sulfoxylate | kg | |
| 2831.10.5000 | - - - Other | kg | |
| 2831.90.0000 | - - Other | kg | |
| 28.32 | - Sulfites; thiosulfates: | ||
| 2832.10.0000 | - - Sodium sulfites | kg | |
| 2832.20.0000 | - - Other sulfites | kg | |
| 2832.30.0000 | - - Thiosulfates | kg | |
| 28.33 | - Sulfates; alums; peroxosulfates (Persulfates): | ||
| - - Sodium sulfates: | |||
| 2833.11 | - - - Disodium sulfate: | ||
| 2833.11.1000 | - - - - Salt cake | t | |
| 2833.11.5000 | - - - - Other | kg | |
| 2833.19.0000 | - - - Other | kg | |
| - - Other sulfates: | |||
| 2833.21.0000 | - - - Of magnesium | kg | |
| 2833.22.0000 | - - - Of aluminum | kg | |
| 2833.24.0000 | - - - Of nickel | kg | |
| 2833.25.0000 | - - - Of copper | Cu kg | |
| 2833.27.0000 | - - - Of barium | kg | |
| - - Other sulfates: | |||
| 2833.29 | - - - Other: | ||
| 2833.29.4000 | - - - - Of chromium | kg | |
| 2833.29.4500 | - - - - Of zinc | kg | |
| 2833.29.9100 | - - - - Other | kg | |
| 2833.30.0000 | - - Alums | kg | |
| 2833.40.0000 | - - Peroxosulfates (Persulfates) | kg | |
| 28.34 | - Nitrites; nitrates: | ||
| 2834.10.0000 | - - Nitrites | kg | |
| - - Nitrates: | |||
| 2834.21.0000 | - - - Of potassium | t | |
| 2834.29 | - - - Other: | ||
| 2834.29.0500 | - - - - Of bismuth | kg | |
| 2834.29.6150 | - - - - Other | kg | |
| 28.35 | - Phosphinates (hypophosphites), phosphonates (phosphites), and phosphates; polyphosphates, whether or not chemically defined: | ||
| 2835.10.0000 | - - Phosphinates (hypophosphites) and phosphonates (phosphites) | kg | |
| - - Phosphates: | |||
| 2835.22.0000 | - - - Of mono- or disodium | kg | |
| 2835.24.0000 | - - - Of potassium | kg | |
| 2835.25.0000 | - - - Calcium hydrogenorthophosphate ("Dicalcium phosphate") | kg | |
| 2835.26.0000 | - - - Other phosphates of calcium | kg | |
| 2835.29 | - - - Other: | ||
| 2835.29.2000 | - - - - Of triammonium | kg | |
| 2835.29.3000 | - - - - Of trisodium | kg | |
| 2835.29.9050 | - - - - Other | kg | |
| - - Polyphosphates: | |||
| 2835.31.0000 | - - - Sodium triphosphate (Sodium tripolyphosphate) | kg | |
| 2835.39.0000 | - - - Other | kg | |
| 28.36 | - Carbonates; peroxocarbonates (Percarbonates); commercial ammonium carbonate containing ammonium carbamate: | ||
| 2836.20.0000 | - - Disodium carbonate | kg | |
| 2836.30.0000 | - - Sodium hydrogencarbonate (Sodium bicarbonate) | kg | |
| 2836.40.0000 | - - Potassium carbonates | kg | |
| 2836.50.0000 | - - Calcium carbonate | kg | |
| 2836.60.0000 | - - Barium carbonate | kg | |
| - - Other: | |||
| 2836.91 | - - - Lithium carbonates: | ||
| 2836.91.0010 | - - - - Pharmaceutical grade | kg | |
| 2836.91.0050 | - - - - Other | kg | |
| 2836.92.0000 | - - - Strontium carbonate | kg | |
| 2836.99 | - - - Other: | ||
| 2836.99.2000 | - - - - Bismuth carbonate | kg | |
| 2836.99.3000 | - - - - Commercial ammonium carbonate and other ammonium carbonates. | kg | |
| 2836.99.4000 | - - - - Lead carbonates | kg | |
| 2836.99.9050 | - - - - Other | kg | |
| 28.37 | - Cyanides, and cyanide oxides and complex cyanides: | ||
| - - Cyanides, cyanide oxides: | |||
| 2837.11.0000 | - - - Of sodium | kg | |
| 2837.19 | - - - Other: | ||
| 2837.19.0110 | - - - - Potassium cyanide | kg | |
| 2837.19.0120 | - - - - Other | kg | |
| 2837.20.0100 | - - Complex cyanides | kg | |
| 28.39 | - Silicates; commercial alkali metal silicates: | ||
| - - Of sodium: | |||
| 2839.11.0000 | - - - Sodium metasilicates | kg | |
| 2839.19.0000 | - - - Other | kg | |
| 2839.90 | - - Other: | ||
| 2839.90.1000 | - - - Of potassium | kg | |
| 2839.90.5000 | - - - Other | kg | |
| 28.40 | - Borates; peroxoborates (Perborates): | ||
| - - Disodium tetraborate (refined borax): | |||
| 2840.11.0000 | - - - Anhydrous | kg | |
| 2840.19.0000 | - - - Other | kg | |
| 2840.20.0000 | - - Other borates | kg | |
| 2840.30.0000 | - - Peroxoborates (Perborates) | kg | |
| 28.41 | - Salts of oxometallic or peroxometallic acids: | ||
| 2841.30.0000 | - - Sodium dichromate | kg | |
| 2841.50 | - - Other chromates and dichromates; peroxochromates: | ||
| 2841.50.1000 | - - - Potassium dichromate | kg | |
| 2841.50.9100 | - - - Other | kg | |
| - - Manganites, manganates and permanganetes: | |||
| 2841.61.0000 | - - - Potassium permanganate | kg | |
| 2841.69 | - - - Other: | ||
| 2841.69.0010 | - - - - Sodium permanganate | kg | |
| 2841.69.0090 | - - - - Other | kg | |
| 2841.70.0000 | - - Molybdates (molybdenum content) | Mo kg | |
| 2841.80 | - - Tungstates (Wolframates): | ||
| 2841.80.0010 | - - - Of ammonium (tungsten content) | W kg | |
| 2841.80.0040 | - - - Other (tungsten content) | W kg | |
| 2841.90 | - - Other: | ||
| 2841.90.4000 | - - - Aluminates | kg | |
| 2841.90.4500 | - - - Chromates of zinc or of lead | kg | |
| 2841.90.9000 | - - - Other | kg | |
| 28.42 | - Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides: | ||
| 2842.10.0000 | - - Double or complex silicates, including aluminosilicates whether or not chemically defined | kg | |
| 2842.90 | - - Other: | ||
| 2842.90.1000 | - - - Fulminates, cyanates and thiocyanates | kg | |
| 2842.90.9000 | - - - Other | kg | |
| 28.43 | - Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals: | ||
| 2843.10.0000 | - - Colloidal precious metals | g | |
| - - Silver compounds: | |||
| 2843.21.0000 | - - - Silver nitrate | kg | |
| 2843.29.0100 | - - - Other | kg | |
| 2843.30.0000 | - - Gold compounds | kg | |
| 2843.90.0000 | - - Other compounds; amalgams | kg | |
| 28.44 | - 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: | ||
| 2844.10.1000 | - - - Uranium metal | kg | |
| - - - Uranium compounds: | |||
| 2844.10.2010 | - - - - Uranium oxide | kg | |
| 2844.10.2020 | - - - - Fluorides | kg | |
| 2844.10.2050 | - - - - Other | kg | |
| 2844.10.5000 | - - - Other | kg | |
| 2844.20 | - - 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: | ||
| - - - Uranium compounds: | |||
| 2844.20.0010 | - - - - Uranium oxide | kg | |
| 2844.20.0020 | - - - - Uranium fluorides | kg | |
| 2844.20.0030 | - - - - Other | kg | |
| 2844.20.0050 | - - - Other | kg | |
| 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: | ||
| 2844.30.1000 | - - - Thorium compounds | kg | |
| - - - Uranium compounds: | |||
| 2844.30.2010 | - - - - Uranium oxide | kg | |
| 2844.30.2060 | - - - - Other | kg | |
| 2844.30.5000 | - - - Other | X | |
| 2844.40 | - - Radioactive elements and isotopes and compounds other than those of subheadings 2844.10, 2844.20 or 2844.30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues: | ||
| 2844.40.0010 | - - - Elements, isotopes and compounds with cobalt-60 radioactivity only | GBq | |
| 2844.40.0020 | - - - Other elements, isotopes, and compounds | MBq | |
| 2844.40.0050 | - - - Other | X | |
| 2844.50.0000 | - - Spent (irradiated) fuel elements (cartridges) of nuclear reactors | kg | |
| 28.45 | - Isotopes other than those of heading 2844; compounds, in- organic or organic, of such isotopes, whether or not chemically defined: | ||
| 2845.10.0000 | - - Heavy water (Deuterium oxide) | kg | |
| 2845.90.0000 | - - Other | kg | |
| 28.46 | - Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals: | ||
| 2846.10.0000 | - - Cerium compounds | kg | |
| 2846.90 | - - Other: | ||
| - - - Mixtures of rare-earth oxides or of rare-earth chlorides: | |||
| - - - - Rare-earth oxides except cerium oxides: | |||
| 2846.90.2005 | - - - - - Containing lanthanum as the predominant metal | kg | |
| 2846.90.2015 | - - - - - Containing yttrium or scandium as the predominant metal | kg | |
| 2846.90.2040 | - - - - - Other | kg | |
| 2846.90.2060 | - - - - Other | kg | |
| 2846.90.9000 | - - - Other | kg | |
| 2847.00.0000 | - Hydrogen peroxide, whether or not solidified with urea | kg | |
| 28.48 | - Phosphides, whether or not chemically defined, excluding ferrophosphorus: | ||
| 2848.00.1000 | - - Of copper (phosphor copper), containing more than 15 percent by weight of phosphorus | kg | |
| 2848.00.9000 | - - Of other metals or of non-metals | kg | |
| 28.49 | - Carbides, whether or not chemically defined: | ||
| 2849.10.0000 | - - Of calcium | kg | |
| 2849.20 | - - Of silicon: | ||
| 2849.20.1000 | - - - Crude | kg | |
| 2849.20.2000 | - - - In grains, or ground, pulverized or refined | kg | |
| 2849.90 | - - Other: | ||
| 2849.90.1000 | - - - Of boron | kg | |
| 2849.90.3000 | - - - Of tungsten | W kg | |
| 2849.90.6000 | - - - Other | kg | |
| 2850.00.0000 | - Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849 | kg | |
| 28.52 | - Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams: | ||
| 2852.10.0000 | - - Chemically defined | kg | |
| 2852.90.0000 | - - Other | kg | |
| 28.53 | - 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: | ||
| 2853.00.0005 | - - Cyanogen chloride | kg | |
| 2853.00.0065 | - - Other | kg |
[Excel] or the letters [xls] indicate a document is in the Microsoft® Excel® Spreadsheet Format (XLS). To view the file, you will need the Microsoft® Excel® Viewer 
available for free from Microsoft®.
[MSWord] or the letters [doc] indicate a document is in the Microsoft® Word Format (DOC). To view the file, you will need the Microsoft® Word Viewer available for free from Microsoft®.
This symbol indicates a link to a non-government web site. Our linking to these sites does not constitute an endorsement of any products, services or the information found on them. Once you link to another site you are subject to the policies of the new site.
available for free from Microsoft®.
[MSWord] or the letters [doc] indicate a document is in the Microsoft® Word Format (DOC). To view the file, you will need the Microsoft® Word Viewer available for free from Microsoft®.
This symbol indicates a link to a non-government web site. Our linking to these sites does not constitute an endorsement of any products, services or the information found on them. Once you link to another site you are subject to the policies of the new site.