Plastics - Hardeners and accelerators for epoxide resins - Determination of free acid in acid anhydride (ISO 7327:1994); German version EN ISO 7327:1997
Edition 1997-11

Foodstuffs - Determination of vitamin B6 by high performance chromatography; German version EN 14164:2014
Edition 2014-08

Steel and cast iron - Determination of copper - 2,2'-Biquinoline spectrophotometric method (ISO 4946:2016); German version EN ISO 4946:2016
Edition 2016-08

Influence of materials on water intended for human consumption - Influence due to migration - Part 4: Test method for water treatment membranes; German version EN 12873-4:2021
Edition 2022-01

Soil quality - Determination of some selected chlorophenols - Gas-chromatographic method with electron-capture detection (ISO 14154:2005)
Edition 2005-12

Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Methods of test; German version EN 12902:2004
Edition 2005-02

Chemicals used for treatment of water intended for human consumption - Sodium fluoride; German version EN 12173:2012
Edition 2013-01

Chemicals used for treatment of water intended for human consumption - Copper sulfate; German version EN 12386:2012
Edition 2013-01

Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (Routine method) (ISO 15351:1999); German version EN ISO 15351:2010
Edition 2010-08

Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997); German version EN ISO 10720:2007
Edition 2007-06