… Soap; organic surface-active products and preparations for use as soap, in the form of bars, cakes, moulded pieces or …
Explanatory notes
… Soap; organic surface-active products and preparations for use as soap, in the form of bars, cakes, moulded pieces or … usually made with sodium hydroxide or sodium carbonate and comprise the bulk of the ordinary soaps. They may be white, … insoluble in water, which are “soaps” only in the chemical sense, such as calcium or other metallic “soaps” ( Chapters …