3.2.4. Phase mobile: eau-méthanol (point 3.2.2) acide acétique (point 3.2.3) préalablement filtrés sur membrane (0,45 µm), (40-9-1 v/v).
3.2.4. Mobile phase: water-methanol (paragraph 3.2.2)-acetic acid (paragraph 3.2.3) previously filtered through a membrane filter (0,45 µm), (40:9:1 v/v).