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 13 Sulphides of non-metals; commercial phosphorus trisulphide 28 13 90 Other IV INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS Commodity Code Description 28 13 90 00 Other IV INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS
