Amendment status not verified — confirm the current text below against the official source.
28.01 28.02 28.03 28.04 · 28.05 28.06 28.07 28.08 28.09 28.10 28.12 28.13 28.14 28.15 28.16 28.17 2707.40 Napthalene. 2707 .50 Phenols 2707.60 Creosole oils. Fluorine, chlorine, bromine and iodine. ·Sulphur, sublimed or precipitated; colloidal sulphur. Carbon {carbon blacks and other forms of carbon not elsewhere specified or included). Hydrogen, rare gases, other non- metal excluding oxygen {medicinal grade). Alkali or alkaline-earth metals; rare- earth metals, scandium and yttrium, whether or not intermixed or interalloyed mercury Hydrogen chloride {hydrochloric acid); chloro sulphuric acid. Sulphuric acid and anhydrides thereof; Oleum Nitric acid, Sulphonitric acids. Diphosphorous pentaoxide; phosphoric acid and polyphosphoric acids. Oxides of boron; boric acids. Halides and halide oxides of non- metals. Sulphides of non-metals; commercial phosphurus trisulphide. Ammonia, anhydrous or in aqueous solution. Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium. Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides of strontium or barium. Zinc oxide, zinc peroxide. 929 930