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 11 Other inorganic acids and other inorganic oxygen compounds of non-metals 28 11 19 Other inorganic acids, nes 28 11 19 00 Other inorganic acids, nes Commodity Code Description 28 11 19 00 00 Other inorganic acids, nes