Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method) (ISO 8968-3:2004); German version EN ISO 8968-3:2007
Edition 2007-09

Microbiology of the food chain - Detection and enumeration of Cryptosporidium and Giardia in fresh leafy green vegetables and berry fruits (ISO 18744:2016); German version EN ISO 18744:2016
Edition 2016-12

Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction (ISO 20541:2008); German version EN ISO 20541:2008
Edition 2008-12

Chemicals used for treatment of water intended for human consumption - Tetrasodium pyrophosphate; German version EN 1206:2005
Edition 2005-06

Chemicals used for treatment of water intended for human consumption - Tetrapotassium pyrophosphate; German version EN 1207:2005
Edition 2005-06

Chemicals used for treatment of water intended for human consumption - Potassium tripolyphosphate; German version EN 1211:2005
Edition 2005-06

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of green algae to the toxicity of waste water (Scenedesmus chlorophyll fluorescence test) by way of dilution series (L 33)
Edition 1991-03

Leather - Chemical determination of the preservative (TCMTB, PCMC, OPP, OIT) content in leather by liquid chromatography - Part 2: Artificial perspiration extraction method (ISO 13365-2:2020); German version EN ISO 13365-2:2020
Edition 2020-12

Textiles - Determination of formaldehyde - Part 3: Free and hydrolysed formaldehyde (extraction method) by liquid chromatography (ISO 14184-3:2023); German version EN ISO 14184-3:2023
Edition 2024-03

Water quality - Detection of Salmonella spp. (ISO 19250:2010); German version EN ISO 19250:2013
Edition 2013-06