Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration; German version EN 13717:2002
Edition 2003-03

Welding of thermoplastics - Machines and equipment for hot gas welding (including extrusion welding); German version EN 13705:2004
Edition 2004-09

Determination of water separation ability of lubricating oils and low-flammability fluids after contact with steam
Edition 1991-03

Liquid petroleum products - Determination of sodium content - Atomic absorption spectrometric method; German version EN 241:2000
Edition 2000-12

Surface active agents - Gas chromatographic trace determination of free ethylene oxide in ethoxylates; German version EN 13320:2002
Edition 2002-09

Chemicals used for treatment of water intended for human consumption - Ammonium sulfate; German version EN 12123:2022
Edition 2022-10

Chemicals used for treatment of water intended for human consumption - Sodium sulfite; German version EN 12124:2022
Edition 2022-10

Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate; German version EN 12125:2022
Edition 2022-10

Chemicals used for treatment of water intended for human consumption - Sulfuric acid; German version EN 899:2022
Edition 2022-10

Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate; German version EN 12174:2022
Edition 2023-03