Explanatory notes
… mineral (barium sulphate, calcium sulphate, aluminium oxide, China clay, talc, silica, siliceous fossil earth, … on the base with precipitating agents (tannin, barium chloride, etc.), or by co-precipitation of the colouring … sulphonated dyes, and the salts of basic dyes with complex acids of phosphorus, molybdenum and tungsten) ( heading …