Hydraulic fluid power. Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system
Edition 2013-07-31

General criteria for the drawing-up of the documents which make up a technical project.
Edition 2014-06-18

Hydraulic fluid power - Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system
Edition 2014-01-08

Fertilizers - Spectrophotometric determination of biuret in urea; German version EN 15479:2009
Edition 2009-04

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of Daphnia to the toxicity of waste water by way of a dilution series (L 30)
Edition 1989-03

Aerospace series - Fluids for assessment of non-metallic materials; German and English version EN 2379:2018
Edition 2019-01

Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C; German version EN 15921:2011
Edition 2011-08

Fertilizers - Extraction of soluble phosphorus according to Petermann at ambient temperature; German version EN 15922:2011
Edition 2011-08

Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
Edition 1998-11