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 51 Other inorganic compounds; liquid air; compressed air; amalgams, nes 28 51 00 Other inorganic compounds; liquid air; compressed air; amalgams, nes 28 51 00 00 Other inorganic compounds; liquid air; compressed air; amalgams, nes Commodity Code Description 28 51 00 00 00 Other inorganic compounds; liquid air; compressed air; amalgams, nes
