Microbiology of the food chain - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 4: Specific rules for the preparation of miscellaneous products (ISO 6887-4:2017); German version EN ISO 6887-4:2017
Edition 2017-07

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 26: Determination of thallium by atomic absorption spectrometry (AAS) using electrothermal atomisation (E 26)
Edition 1997-07

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

Aerospace; filler metals for welding metallic materials; technical specification
Edition 1989-11

Doping prevention in sport - Good development and manufacturing practices aimed at preventing the presence of prohibited substances in food intended for sportspeople and food supplements; German version EN 17444:2021
Edition 2021-04

Biotechnology - Performance criteria for microbiological safety cabinets; German version EN 12469:2000
Edition 2000-09

Irrigation techniques - Meters for irrigation water; German version EN 14268:2005
Edition 2005-11

Units; Submultiples and Multiples for General Use
Edition 1978-02

Foodstuffs - Determination of vitamin B2 by high performance liquid chromatography; German version EN 14152:2014
Edition 2014-08

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-33: Tests - Assembly and disassembly of fibre optic mechanical splices, fibre management systems and closures (IEC 61300-2-33:2012); German version EN 61300-2-33:2012
Edition 2013-02