Chemical apparatus - Documentation in the life cycle of process plants - Part 2: Contents of documentation
Edition 2011-01

German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 4: Determination of the genotoxic potential using the Salmonella microsome test (Ames Test) (T 4)
Edition 1999-12

Calculation of load capacity of cylindrical gears - Part 6: Calculation of service strength
Edition 1994-12

Inorganic fertilizers - Determination of extracted phosphorus P₂O₅; German version EN 15959:2023
Edition 2024-03

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of green algae to the toxicity of waste water (Scenedesmus chlorophyll fluorescence test) by way of dilution series (L 33)
Edition 1991-03

Coffee extracts - Determination of the dry matter content of coffee extracts - Sea sand method of liquid or pasty coffee extracts (ISO 22994:2021)
Edition 2024-05

Resilient, textile, laminate and modular mechanical locked floor coverings - Circular Economy - Terms and definitions; German version EN 17861:2023
Edition 2023-09

Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves; German version EN 558:2022
Edition 2022-09

Food processing machinery - Mincing machines - Safety and hygiene requirements; German version EN 12331:2021
Edition 2021-11

Food processing machinery - Dishwashing machines with conveyor - Safety and hygiene requirements; German version EN 14957:2006+A1:2010
Edition 2010-11