231.—Carmine Colouring.

Take carmine, No. 24 or 40, 1 dr., liquor potassæ 2½ drs., water 2 ozs., glycerine sufficient to make 4 ozs. Rub the carmine to a paste with liquor potassæ and add the water and glycerine. This is a splendid red, and works well with liquor acids.