German standard methods for the examination of water, waste water and sludge; cations (group E); determination of copper by atomic absorption spectrometry (AAS) (E 7)
Edition 1991-09

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of cobalt by atomic absorption spectrometry (AAS) (E 24)
Edition 1993-03

Inorganic fertilizers - Determination of cyanamide nitrogen; German version EN 15562:2023
Edition 2023-10

Pneumatic fluid power - Connections - Ports and stud ends (ISO 16030:2001 + Amd. 1:2005)
Edition 2007-05

Indoor air - Part 37: Measurement of PM2,5 mass concentration (ISO 16000-37:2019)
Edition 2019-05

Indoor air - Part 18: Detection and enumeration of moulds - Sampling by impaction (ISO 16000-18:2011)
Edition 2012-01

Water quality - Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation (ISO 8192:2007); German version EN ISO 8192:2007
Edition 2007-05

Metallic and other inorganic coatings - Phosphate conversion coating of metals (ISO 9717:2017); German version EN ISO 9717:2017
Edition 2018-02

Railway applications - Axleboxes - Lubricating greases; German and English version prEN 12081:2024
Edition 2024-10

Ambient air - Standard method for the determination of the concentration of ammonia using diffusive samplers; German version EN 17346:2020
Edition 2020-08