Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers; German version EN 973:2009
Edition 2009-12

Chemicals used for treatment of water intended for human consumption - Sodium disulfite; German version EN 12121:2022
Edition 2023-03

Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite; German version EN 12120:2022
Edition 2023-03

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

Characterization of waste - Leaching behaviour test - Influence of pH on leaching with initial acid/base addition; German version EN 14429:2015
Edition 2015-05

Petroleum products - Determination of aromatic hydrocarbon types in middle distillates - High performance liquid chromatography method with refractive index detection; German version EN 12916:2024
Edition 2024-05

Plain bearings - Testing of the tribological behaviour of bearing materials - Part 2: Testing of polymer-based plain bearing materials (ISO 7148-2:2012)
Edition 2014-07

Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 4: Continuous syringe injection method (ISO 6145-4:2004); German version EN ISO 6145-4:2008
Edition 2008-11

Buildings and civil engineering works - Determination of the staining of porous substrates by sealants used in joints - Part 1: Test with compression (ISO 16938-1:2019)
Edition 2020-12

Buildings and civil engineering works - Determination of the staining of porous substrates by sealants used in joints - Part 2: Test without compression (ISO 16938-2:2019)
Edition 2020-12