German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 62: Plausibility check of analytical data by performing an ion balance (A 62)
Edition 2014-12

Test methods for electrical materials, interconnection structures and assemblies - Part 6: Test methods for materials used in manufacturing electronic assemblies (IEC 61189-6:2006); German version EN 61189-6:2006
Edition 2007-03

Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 5-2: General test methods for materials and assemblies - Soldering flux for printed board assemblies (IEC 61189-5-2:2015); German version EN 61189-5-2:2015
Edition 2015-11

Stationary source emissions - Determination of the water vapour in ducts - Standard reference method; German version EN 14790:2017
Edition 2017-05

Ambient air - Standard method for the determination of the concentration of ammonia using diffusive samplers; German version EN 17346:2020
Edition 2020-08

Foodstuffs - Determination of vitamin E by high performance liquid chromatography - Measurement of α-, β-, γ- and δ-tocopherols; German version EN 12822:2014
Edition 2014-08

Foodstuffs - Determination of vitamin B2 by high performance liquid chromatography; German version EN 14152:2014
Edition 2014-08

Animal feeding stuffs - Determination of Ochratoxin A in animal feed by immunoaffinity column clean-up and High Performance Liquid Chromatography with fluorescence detection; German version EN 16007:2011
Edition 2011-10

Letter symbols for physical quantities; symbols for general use
Edition 1994-03

Displacement compressor; thermodynamic acceptance and performance test
Edition 1980-11