Machine tools; Multi-spindle heads; Assemblies, Spindle seals Types A to D
Edition 1981-10

Machine tools; Multi-spindle heads; Assemblies, Boring spindles Types A to D
Edition 1981-10

Lubricants - Determination of aerobic biological degradation of fully formulated lubricants in an aqueous solution - Test method based on CO₂-production; German version EN 17181:2019
Edition 2019-05

Fire detection and fire alarm systems - Part 31: Multi-sensor fire detectors - Point detectors using a combination of smoke, carbon monoxide and optionally heat sensors; German version EN 54-31:2014+A1:2016
Edition 2016-12

Fire detection and fire alarm systems - Part 30: Multi-sensor fire detectors - Point detectors using a combination of carbon monoxide and heat sensors; German version EN 54-30:2015
Edition 2015-11

Leather - Environmental footprint - Product Category Rules (PCR) - Carbon footprints; German version EN 16887:2017
Edition 2017-06

German standard methods for examination of water, waste water and sludge - Anions (group D) - Part 7: Determination of cyanides in low polluted water by liquid chromatography of ions or potentiometric titration (D 7)
Edition 2002-04

Animal feeding stuffs: Methods of sampling and analysis - Determination of vitamin A, E and D content - Method using solid phase extraction (SPE) clean-up and high-performance liquid chromatography (HPLC); German version EN 17547:2021
Edition 2022-01

Residual bath and liquid effluent - Determination of the chemical oxygen demand (COD) - Open reflux dichromatometry method
Edition 2006-03-31

Water quality. Determination of the chemical oxygen demand index (ST-COD). Small-scale sealed-tube method
Edition 2002-12-10