Influence of materials on water intended for human consumption - Influence due to migration - Part 4: Test method for water treatment membranes; German version EN 12873-4:2021
Edition 2022-01

Glossary of wastewater engineering terms; Trilingual version EN 16323:2014
Edition 2014-07

Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO 19340:2017); German version EN ISO 19340:2017
Edition 2019-01

Soft soldering fluxes - Test methods - Part 6: Determination and detection of halide (excluding fluoride) content (ISO 9455-6:2022); German version EN ISO 9455-6:2022
Edition 2023-10

Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007); German version EN ISO 10304-1:2009
Edition 2009-07

German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 60: Spectrometric determination of the chlorophyll-a concentration in water (H 60)
Edition 2019-12

Principles for the analysis of microplastics present in the environment (ISO 24187:2023); German version EN ISO 24187:2023
Edition 2024-04

Textiles - Determination of antibacterial activity of textile products (ISO 20743:2021); German version EN ISO 20743:2021
Edition 2021-10

Chemicals used for treatment of water intended for human consumption - Sodium alginate; German version EN 1405:2023
Edition 2023-12

Graphical and letter symbols for hydrogeology
Edition 1975-04