1 SULPHURIC ACID, MURIATIC ACID, NITRIC ACID, PHOSPHORIC ACID, SULPHUROUS ACID, SULPHUR DIOXIDE, SODIUM SULPHATE, SODIUM SULPHIDE, SODIUM SULPHITE, SODIUM THIOSULPHATE, CALCIUM BISULPHITE, MAGNESIUM SULPHATE, COPPER SULPHATE, IRON SULPHATE, ZINC OXIDE, ZINC SULPHATE AND ZINC CHLORIDE FOR DOMESTIC AND INDUSTRIAL USE; ARTIFICIAL AND NATURAL FERTIZILERS, FIRE EXTINGUISHING COMPOSITIONS, TEMPERING SUBSTANCES AND CHEMICAL PREPARATIONS FOR SOLDERING, CHEMICAL SUBSTANCES FOR PRESERVING FOODSTUFFS; ADHESIVE SUBSTANCES USED IN INDUSTRIES; CEMENT AND CONCRETE CHEMICAL ADDITIVES; FILM FORMING AND COATING SUBSTANCES FOR FORMING SURFACE FILM ON WATER TO ENHANCE HEAT ABSORPTION AND TO REDUCE HEAT LOSS TO CONSERVE WATER AND TO REDUCE ITS CONTAMINATION; CHEMICAL PREPARATIONS AND SUBSTANCES, SOLVENTS AND SOLUTIONS FOR INDUSTRIAL, SCIENTIFIC, PHOTOGRAPHY AND SPECTROSCOPY USE; CHEMICAL SUBSTANCES FOR THE PURIFICATION AND CLARIFICATION OF WATER; CHEMICAL PREPARATIONS AND SUBSTANCES FOR THE CARE AND MAINTENANCE OF SWIMMING AND WADING POOLS, INCLUSIVE OF CHLORINE, HYDROCHLORIC ACID, ALUM, SODIUM CARBONATE, DIATOMACEOUS EARTH, SODIUM BISULPHATE; STANDARD VOLUMETRIC SOLUTIONS; CHEMICALS FOR USE IN LEATHER TANNING