| Tariff Classification |
| section 06 | Products of the chemical or allied industries |
| chapter 28 | Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes |
| 28.05 | Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: |
| 2805.40 | －Mercury |
|