Section 06 Products of the chemical or allied industries 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 inorganic or inorganic compounds; amalgams 28 43 10 Colloidal precious metals 28 43 10 00 Colloidal precious metals Commodity Code Description 28 43 10 00 000 Colloidal precious metals
