For the preparation of the 1 % standard add 5,00 ml of bovine skimmed milk to a 495 ml of buffalo's skimmed milk in a 1 l beaker, adjust the pH to 6,4 by the addition of dilute lactic acid (10 % w/v).
Cuves de coloration et de décoloration en acier inoxydable ou en verre (par exemple, cuves d'une dimension de 280 × 150 mm)