Stationary source emissions - Determination of volume concentration of oxygen - Standard reference method: Paramagnetism; German version EN 14789:2017
Edition 2017-05

Anaesthetic and respiratory equipment - Low-flow nasal cannulae for oxygen therapy (ISO 23368:2022); German version EN ISO 23368:2022
Edition 2022-11

Respiratory equipment - Open-circuit self-contained diving apparatus for use with compressed Nitrox and oxygen - Requirements, testing, marking; German version EN 13949:2003
Edition 2003-06

Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants; German version EN 12255-15:2003
Edition 2004-04

Determination of explosion characteristics of dust clouds - Part 4: Determination of the limiting oxygen concentration LOC of dust clouds; German version EN 14034-4:2004+A1:2011
Edition 2011-04

German Standard Methods for Examination of Water, Waste Water and Sludge; Summary Action and Material Characteristic Parameters (Group H); Determination of the Chemical Oxygen Demand (COD) in the Range over 15 mg/l (H41)
Edition 1980-12

Testing of solid mineral fuels - Ultimate analysis and calculation of oxygen content
Edition 2016-04

Transportable liquid oxygen systems for medical use - Part 2: Portable units (ISO/DIS 18777-2:2024); German and English version prEN ISO 18777-2:2024
Edition 2024-04

Conveyor belts for underground mining - Determination of the oxygen index
Edition 2019-06

Liquid petroleum products - Unleaded petrol - Determination of organic oxygenate compounds and total organically bound oxygen content by gas chromatography using column switching; German version EN 13132:2000
Edition 2002-03