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 52 Compounds, inorganic or organic, of mercury, excluding amalgams. 28 52 10 Chemically defined 28 52 10 00 Chemically defined Commodity Code Description 28 52 10 00 000 Chemically defined
