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

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 30: Pretreatment, homogenization and aliquotation of non-homogeneous water samples (A 30)
Edition 1998-07

Biomimetics - Terminology, concepts and methodology (ISO 18458:2015)
Edition 2016-08

Analysis of honey - Determination of free acidity
Edition 2021-03

Detection of the animal species in milk and milk products with isoelectrical focusing
Edition 1995-11

Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
Edition 1996-06

Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO 16634-2:2016); German version EN ISO 16634-2:2016
Edition 2016-11

In vitro diagnostic medical devices - Information supplied by the manufacturer with in vitro diagnostic reagents for staining in biology (ISO 19001:2013); German version EN ISO 19001:2013
Edition 2013-07

Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 9: Saturation method (ISO 6145-9:2009); German version EN ISO 6145-9:2010
Edition 2011-03

Iron oxide pigments - Specifications and methods of test (ISO 1248:2006, including Technical Corrigendum 1:2007); German version EN ISO 1248:2008
Edition 2008-06