German standard methods for the examination of water, waste water and sludge; anions (group D); determination of dissolved silicate by spectrometry (D 21)
Edition 1990-10

Foodstuffs - Determination elements and their chemical species - Determination of organomercury in seafood by elemental mercury analysis; German version EN 17266:2019
Edition 2020-03

Binders for paints and varnishes - Determination of turbidity (ISO 15715:2003); German version EN ISO 15715:2006
Edition 2006-05

Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018); German version EN ISO 4945:2018
Edition 2019-03

Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009
Edition 2009-06

Animal feeding stuffs - Determination of phytase activity (ISO 30024:2009); German version EN ISO 30024:2009
Edition 2009-11

Steel static storage systems - Application and maintenance of storage equipment; German version EN 15635:2008
Edition 2009-08

Method of testing cement - Part 2: Chemical analysis of cement; German version EN 196-2:2013
Edition 2013-10

Rapeseed - Determination of chlorophyll content - Spectrometric method - Amendment 1: Preparation of the calibration curve to determine the k factor (ISO 10519:2015/DAM 1:2023); German and English version EN ISO 10519:2015/prA1:2023
Edition 2023-09

Fat and oil derivatives - Fatty acid methyl ester (FAME) - Determination of Ca, K, Mg and Na content by optical emission spectral analysis with inductively coupled plasma (ICP OES); German version EN 14538:2006
Edition 2006-09