Explanatory notes
… aluminium oxide, China clay, talc, silica, siliceous fossil earth, calcium carbonate, etc.). The fixation of the … complex acids of phosphorus, molybdenum and tungsten) ( heading 32.04 ). Colour lakes are mostly prepared from … (i.e., those of heading 32.03). They include, inter alia , cochineal carmine lake, generally obtained by treating an …