Explanatory notes
… ammonia in presence of steam. These processes give commercial ammonium carbonate which, in addition to … washing soda) with 10 H 2 O, efflorescing in the air to give a monohydrate (with 1 H 2 O). Used in numerous … mixed with barium sulphate, zinc oxide, gypsum or kaolin) gives Krems white, Venetian white, Hamburg white, etc. …