Electroplated coatings of tin-nickel alloy - Specification and test methods (ISO 2179:1986); German version EN ISO 2179:2016
Edition 2016-08

Powder metallurgy - Vocabulary (ISO 3252:2023); German version EN ISO 3252:2023
Edition 2023-06

Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
Edition 1993-04

Space engineering - Compatibility testing for liquid propulsion components, subsystems and systems; English version EN 16603-35-10:2014
Edition 2014-12

Chemicals used for treatment of water intended for human consumption - Chemicals for emergency use - Sodium dichloroisocyanurate, dihydrate; German version EN 12932:2015
Edition 2015-05

Chemicals used for treatment of water intended for human consumption - Chemicals for emergency use - Sodium dichloroisocyanurate, anhydrous; German version EN 12931:2015
Edition 2015-05

Chemicals used for treatment of water intended for human consumption - Chemicals for emergency use - Trichloroisocyanuric acid; German version EN 12933:2015
Edition 2015-05

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the chemical oxygen demand (COD) (S 9)
Edition 1986-09

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of Daphnia to the toxicity of waste water by way of a dilution series (L 30)
Edition 1989-03

Metallic and other inorganic coatings - Electrodeposited gold and gold alloy coatings for electrical, electronic and engineering purposes - Specification and test methods (ISO 27874:2008); German version EN ISO 27874:2008
Edition 2009-01