The principle consists in dilution of a test portion with carbon dioxide-free water, titration of the acidity with standard volumetric sodium hydroxide solution, in the presence of phenolphthalein as indicator. The method is applicable to products having an acidity, expressed as acetic acid, equal to or greater than 0,0006 % (m/m).
WITHDRAWN
ISO/R 756:1968
WITHDRAWN
ISO 756-2:1981
95.99
Withdrawal of Standard
May 27, 2002