Explanatory notes
… not soluble in water), on a base, generally mineral (barium sulphate, calcium sulphate, aluminium oxide, China clay, … the form of their metal salts (e.g., the calcium salts of sulphonated dyes, and the salts of basic dyes with complex … lakes are used mainly for manufacturing printing inks, wallpaper and oil paints. Colour lakes may also be prepared …