Cold rolled low carbon steel flat products for vitreous enamelling - Technical delivery conditions; German version EN 10209:2023
Edition 2023-09

Foodstuffs - Determination of ochratoxin A in barley and roasted coffee - HPLC method with immunoaffinity column clean-up; German version EN 14132:2009
Edition 2009-09

Space product assurance - Materials and hardware compatibility tests for sterilization processes; English version EN 16602-70-53:2015
Edition 2015-05

Testing of solid fuels - Determination of the phosphorus content
Edition 2004-06

Copper and copper alloys - Copper profiles and profiled wire for electrical purposes; German version EN 13605:2021
Edition 2021-07

Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
Edition 1993-11

German Standard Methods for Examination of Water, Waste Water and Sludge; Summary Action and Material Characteristic Parameters (Group H); Determination of the Chemical Oxygen Demand (COD) in the Range over 15 mg/l (H41)
Edition 1980-12

Biological equipment for treating air and other gases - Requirements and application guidance for deodorization in wastewater treatment plants (ISO 23139:2023)
Edition 2024-07

Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite; German version EN 901:2013
Edition 2013-12

Chemicals used for treatment of water intended for human consumption - Sodium chlorite; German version EN 938:2016
Edition 2016-09