Division I.3.2 United Kingdom Original text. Later amendments are not shown. Reagents. All reagents used shall be chemically pure. I.3.2.1Division I.3.2.1 I.3.2.2Division I.3.2.2 I.3.2.3Division I.3.2.3 I.3.2.4Division I.3.2.4 I.3.2.5Division I.3.2.5 I.3.2.6Division I.3.2.6 I.3.2.7Division I.3.2.7 ← Division I.3.1.6 Division I.3.2 Division I.3.2.1 →