Paragraph 17 F1

gases, such as ammonia, chlorine or hydrogen chloride, fluorine or hydrogen fluoride, carbon oxides, sulphur compounds, nitrogen oxides, hydrogen, sulphur dioxide, carbonyl chloride,

acids, such as chromic acid, hydrofluoric acid, phosphoric acid, nitric acid, hydrochloric acid, sulphuric acid, oleum, sulphurous acids,

bases, such as ammonium hydroxide, potassium hydroxide, sodium hydroxide,

salts, such as ammonium chloride, potassium chlorate, potassium carbonate, sodium carbonate, perborate, silver nitrate,

non-metals, metal oxides or other inorganic compounds such as calcium carbide, silicon, silicon carbide.