Chemicals used for treatment of water intended for human consumption - Oxygen; German version EN 12876:2015
Edition 2015-05

Medical electrical equipment - Part 2-67: Particular requirements for basic safety and essential performance of oxygen-conserving equipment (ISO 80601-2-67:2020); German version EN ISO 80601-2-67:2020
Edition 2021-06

Fixed firefighting systems - Oxygen reduction systems - Design, installation, planning and maintenance; German version EN 16750:2017+A1:2020
Edition 2020-11

Anaesthetic and respiratory equipment - Compatibility with oxygen (ISO 15001:2010); German version EN ISO 15001:2011
Edition 2012-06

Bio-based products - Determination of the oxygen content using an elemental analyser; German version EN 17351:2020
Edition 2020-04

Water quality - Determination of dissolved oxygen - Optical sensor method (ISO 17289:2014)
Edition 2014-12

Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction (ISO 4491-4:2019); German version EN ISO 4491-4:2019
Edition 2019-09

Water quality; determination of dissolved oxygen; iodometric method (ISO 5813:1983); german version EN 25813:1992
Edition 1993-01

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of oxygen consumption rate (S 6)
Edition 1986-04

German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production and oxygen consumption in an aquatic environment (SPG and SVG) by means of the light and dark bottle method (L 13) (determination of biogenic aeration rate)
Edition 1983-09