Chemicals and chemical compositions, specifically chromium chemicals viz., chromic acid; organis solvents viz., carbon tetrachloride; inorganic acids viz., boric acid; phosphate chemicals viz., trisodium phosphate; tin chemicals viz., tin oxide; metallic soaps and siccatives used in the formulation of paints, lacquers, printing inks and the like viz., lead soaps of tall oil fatty acids; nickel plating chemicals viz., semi-bright nickel addition agents suitable for imparting semi-brightness to a nickel electro-deposit in an acid nickel plating solution; organic acids viz., acetic acid; cobalt chemicals viz., cobalt carbonate; nickel chemicals viz., nickel formate; fluorine chemicals viz., ammonium bifluoride and fluorine cell electrolyte containing hydrogen fluoride; cadmium chemicals viz., (stabilisers for organic plastics