Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test) (ISO 10707:1994); German version EN ISO 10707:1997
Edition 1998-03

Metallic powders - Determination of oxygen content by reduction methods - Part 1: General guidelines (ISO 4491-1:2023); German version EN ISO 4491-1:2023
Edition 2023-07

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the chemical oxygen demand (COD) (S 9)
Edition 1986-09

Plastics - Determination of burning behaviour by oxygen index - Part 3: Elevated-temperature test (ISO 4589-3:2017); German version EN ISO 4589-3:2017
Edition 2017-08

Transportable liquid oxygen systems for medical use - Part 1: Common requirements and particular requirements for base units (ISO/DIS 18777-1:2024); German and English version prEN ISO 18777-1:2024
Edition 2024-04

Plastics - Determination of burning behaviour by oxygen index - Part 1: General requirements (ISO 4589-1:2017); German version EN ISO 4589-1:2017
Edition 2017-08

Determination of the explosion limits and the limiting oxygen concentration (LOC) for flammable gases and vapours; German version EN 1839:2017
Edition 2017-04

Respiratory protective devices - Gas cylinder valves - Part 3: Outlet connections for diving gases Nitrox and oxygen; German version EN 144-3:2003
Edition 2003-06

Advanced technical ceramics - Methods of test for ceramic powders - Part 3: Determination of the oxygen content of non-oxides by thermal extraction with a carrier gas; German version EN 725-3:2007
Edition 2007-04

Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed tube method (ISO 15705:2002)
Edition 2003-01