Water quality - Determination of biochemical oxygen demand after n days (BODₙ) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815-1:2019); German version EN ISO 5815-1:2019
Edition 2020-11

Tunnel boring machines - Air locks - Part 1: Requirements for air locks utilising compressed air as the pressurising or breathing medium along with requirements for oxygen breathing systems for decompression purposes; German and English version prEN 12110-1:2023
Edition 2023-03

Expression of performance of fluorometric oxygen analyzers in liquid media (IEC 62703:2013); German version EN 62703:2013
Edition 2014-12

Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020); German version EN ISO 23977-2:2021
Edition 2022-01

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008); German version EN ISO 21068-3:2008
Edition 2008-12

Respiratory protective devices - Self-contained closed-circuit breathing apparatus, compressed oxygen type - Part 2: Short duration-compressed oxygen type for moderate work rates; requirements, testing, marking
Edition 1997-10

Testing of materials for semiconductor technology; determination of impurities in carrier gases and doping gases; determination of oxygen impurity in N₂, Ar, He, Ne and H₂ by using a galvanic cell
Edition 1991-03

Rubber hoses for welding, cutting and allied processes - Part 3: Oxygen rubber hoses with and without coatings for special requirements; Safety requirements and testing
Edition 2022-02

Testing of ceramic raw and basic materials - Determination of sulfur in powders and granules of non-oxidic ceramic raw and basic materials - Part 2: Inductively coupled plasma optical emission spectrometry (ICP/OES) or ion chromatography after burning in an oxygen flow (ISO 14720-2:2013); German version EN ISO 14720-2:2013
Edition 2013-06

Aerospace; gaseous oxygen replenishment connection for use in fluid systems (new type); dimensions (inch series); identical with ISO 8775:1988
Edition 1988-06