Fertilizers - Determination of molybdenum in concentrations ≤ 10 % using spectrometry of a complex with ammonium thiocyanate; German version EN 17043:2018
Edition 2018-08

German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production by means of the light and dark bottle method under laboratory conditions (SPL) (L 14) (determination of oxygen production potential)
Edition 1983-09

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of sodium by atomic absorption spectrometry (ASS) using an air-acetylene flame (E 14)
Edition 1992-07

German Standard Methods for the Analysis of Water, Waste Water and Sludge; Anions (Group D); Determination of Borate Ions (D 17)
Edition 1981-03

Native starch - Determination of starch content - Ewers polarimetric method (ISO 10520:1997); German version EN ISO 10520:1998
Edition 1998-12

Nanotechnologies - Endotoxin test on nanomaterial samples for in vitro systems - Limulus amebocyte lysate (LAL) test (ISO 29701:2010); German version EN ISO 29701:2010
Edition 2011-01

General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020); German version EN ISO 787-19:2020
Edition 2020-07

Optics and photonics - Test methods for telescopic systems - Part 9: Test methods for field curvature (ISO 14490-9:2019)
Edition 2021-01

Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of thickness of ceramic films by contact-probe profilometer (ISO 18452:2005); German version EN ISO 18452:2016
Edition 2016-09

Wood preservatives - Creosote and creosoted timber - Methods of sampling and analysis - Part 4: Determination of the water-extractable phenols content of creosote; German version EN 1014-4:2010
Edition 2010-11