… Colour lakes; preparations as specified in Note 3 to this Chapter based on colour lakes. …
Explanatory notes
… 32.05 - Colour lakes; preparations as specified in Note 3 to this Chapter based on colour lakes. … in water), on a base, generally mineral (barium sulphate, calcium sulphate, aluminium oxide, China clay, talc, silica, … colouring matter on the base is usually obtained by : (1) Precipitating the colouring matter on the base with …