Section 06 Products of the chemical or allied 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare earth metals, of radioactive elements or isotopes 28 43 Colloidal precious metals; their compounds and amalgams 28 43 90 Other compounds, nes, and amalgams of precious metals Commodity Code Description 28 43 90 00 Other compounds, nes, and amalgams of precious metals