Standard Test Method for Hydrophobic Surface Films by the Water-Break Test
Edition 2021

Packaging test - Leakage test on flexible packagings - Part 5: Water bath method (bubble test)
Edition 2021-04

Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006); German version EN ISO 9509:2006
Edition 2006-10

Ion exchanger, adsorption resins and hybrid adsorber for water treatment - Technical delivery conditions
Edition 2013-03

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

Devices for the disinfection of water using ultraviolet radiation - Part 1: Devices equipped with UV low pressure lamps - Requirements and testing
Edition 2020-08

Metallic industrial piping - Part 4: Fabrication and installation; German version EN 13480-4:2024
Edition 2024-12

Electric humidifier for household use; characteristics for performance, definitions
Edition 1981-05

Prefilled syringes - Part 4: Glass barrels for injectables and sterilized subassembled syringes ready for filling (ISO 11040-4:2015)
Edition 2017-07

Metallic industrial piping - Part 4: Fabrication and installation; German version EN 13480-4:2017
Edition 2017-12