Division 4.2 F1F2 United Kingdom Original text. Later amendments are not shown. n-hexane (chromatography grade). Hexane may be replaced by iso-octane (2,2,4- trimethylpentane in chromatography grade), provided that comparable precision values are achieved. Annotations Textual amendments F1 Substituted by Commission Regulation (EC) No 702/2007 of 21 June 2007 amending Commission Regulation (EEC) No 2568/91 on the characteristics of olive oil and olive-residue oil and on the relevant methods of analysis. F2 Substituted by Commission Implementing Regulation (EU) 2019/1604 of 27 September 2019 amending Regulation (EEC) No 2568/91 on the characteristics of olive oil and olive-residue oil and on the relevant methods of analysis. ← Division 4.1 Division 4.2 Division 4.3 →