Water quality - Determination of alkalinity - Part 1: Determination of total and composite alkalinity (ISO 9963-1:1994); German version EN ISO 9963-1:1995— 13 стр.
Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO 5667-1:2006); German version EN ISO 5667-1:2006— 40 стр.
Influence of metallic materials on water intended for human consumption - Dynamic rig test for assessment of surface coatings with nickel layers - Long-term test method; German version EN 16058:2012— 18 стр.
Water-tube boilers and auxiliary installations - Part 12: Requirements for boiler feedwater and boiler water quality; German version EN 12952-12:2003— 16 стр.
Water quality - Determination of alkalinity - Part 2: Determination of carbonate alkalinity (ISO 9963-2:1994); German version EN ISO 9963-2:1995— 13 стр.
Water conditioning equipment inside buildings - Electrolytic treatment systems with aluminium anodes - Requirements for performance and safety, testing; German version EN 14095:2003— 18 стр.