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 14 Ammonia, anhydrous or in aqueous solution 28 14 20 Ammonia in aqueous solution 28 14 20 00 Ammonia in aqueous solution Commodity Code Description 28 14 20 00 000 Ammonia in aqueous solution
