| 28 | | | HS Code for Inorganic chemicals; inorganic or organic compounds of precious metals, radioactive elements, rare land metals or isotope metals |
| 2843 | | HS Code for Colloidal precious metals; inorganic or organic compounds of precious metals whether or not chemically defined; amalgams of precious metals |
| | 28432900 | Other silver compounds, whether or not chemically defined pat |
| | 28433000 | Gold compounds, whether or not chemically defined pat |
| | 28439000 | Other noble metal compound, whether pat chemically defined above; noble metal amalgam |
| 2844 | | HS Code for Radioactive chemical elements and radioactive isotopes (including the fissile or fertile |
| | 28441000 | Its natural uranium compounds (including alloys, dispersions, ceramic products and mixtures) |
| | 28442000 | U235 enriched uranium, plutonium, and compounds thereof (including alloys, dispersions, ceramic products and mixtures) |
| | 28443000 | U235 depleted uranium, thorium and its compounds |
| | 28444010 | Radium and radium salts (including alloys, dispersions, ceramic products and mixtures) |
| | 28444020 | Radioactive cobalt and radioactive cobalt salt |
| | 28444090 | Other radioactive isotopes and compounds thereof (including alloys, dispersions, ceramic products and mixtures thereof); radioactive residues |
| | 28445000 | Depleted nuclear reactor fuel element |
| 2845 | | HS Code for Isotopes other than those of heading 2844; compounds inorganic or organic of such isotopes whether or not chemically defined |
| | 28451000 | Heavy water (deuterium oxide) |
| | 28459000 | Other isotopes and their compounds, whether or not chemically defined |
| 2847 | | HS Code for Hydrogen Peroxide, Whether Or Not Solidified Urea |
| | 28470000 | Hydrogen peroxide |
| 2849 | | HS Code for Carbides whether or not chemically defined |
| | 28491000 | Calcium carbide |
| | 28492000 | Silicon carbide |
| | 28499010 | Boron carbide |
| | 28499020 | Tungsten carbide |
| | 28499090 | Other carbide |
| 2850 | | HS Code for Hydrides nitrides azides silicides and borides whether or not chemically defined other than compounds which are also carbides of heading 2849 |
| | 28500011 | Manganese nitride |
| | 28500012 | Bn |
| | 28500019 | Other nitride |
| | 28500090 | Hydride, azide, silicides and borides, whether or not there is pat chemically defined, except be subsumed heading of carbides 28.49 |
| 2852 | | HS Code for Inorganic or organic compounds of mercury
whether or not chemically defined excluding amalgams |
| | 28521000 | Inorganic or organic compounds of mercury, amalgam, except |
Harmonized Tariff Schedule of China inquiry: textile
