This method intends to simulate mmigration phenomena that may occur when cork stoppers are used to close wine bottles. It consists of determining the releasable 2,4,6-trichloroanisol (TCA) based on an equilibrium between the solid (cork) and the liquid (hydro-alcoholic simulator) matrices, After submitting a sample of cork stoppers to a period of maceration in a hydro-alcoholic solution. This standard is applicable to all types of cork stoppers.