Division 5 ProcedureF1 United Kingdom Repealed Original text. Later amendments are not shown. 5.1Calibration of the pH meter. 5.2Determination Annotations Textual amendments F1 Repealed by Regulation (EC) No 2003/2003 of the European Parliament and of the Council of 13 October 2003 relating to fertilisers. ← Division 4 Division 5 Division 5.1 →