Water quality; determination of anionic surfactants by measurement of the methylene blue index MBAS (ISO 7875-1:1984, modified); German version EN 903:1993
Edition 1994-01

German standard methods for the examination of water, waste water and sludge - Anions (Group D) - Part 23: Determination of selenium by atomic absorption spectrometry (D 23)
Edition 1994-10

Fruit and vegetable juices - Enzymatic determination of D- and L-lactic acid (lactate) content - NAD spectrometric method; German version EN 12631:1999
Edition 1999-04

Methods of test for masonry units - Part 3: Determination of net volume and percentage of voids of clay masonry units by hydrostatic weighing; German version EN 772-3:1998
Edition 1998-10

Foodstuffs - Determination of benzene in soft drinks, other beverages and vegetable-based infant foods by headspace gas chromatography mass spectrometry (HS-GC-MS); German version EN 16857:2017
Edition 2017-07

Surfaces for sports areas - Determination of thickness of unbound mineral surfaces for outdoor sports areas; German version EN 14953:2005
Edition 2006-01

Chemical analysis of ferrous materials - Determination of boron in steels - Spectrophotometric method; German version EN 10200:2012
Edition 2013-01

Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers; German version EN 973:2009
Edition 2009-12

Dense shaped refractory products - Methods of test - Part 16: Determination of resistance to sulphuric acid; German version EN 993-16:1995
Edition 1995-09

Lighters - Child safety requirements for lighters - Safety requirements and test methods; German version EN 13869:2016
Edition 2016-12