Micro devices for brazing and welding with own hydrogen and oxygen production - Mechanical and gas engineering requirements, test, marking
Edition 2000-12

Testing of gaseous fuels and other technical gases - Determination of sulfur compounds content - Part 6: Content of hydrogen sulfide, mercaptan sulfur and carbonylsulfide sulfur; potentiometric method
Edition 2000-09

German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H); determination of hydrogen peroxide and its adducts (H 15)
Edition 1987-06

Electrical ingeneering; basic environmental testing procedures; tests; guidance to test Kd: hydrogen sulphide H₂S (high concentration) for electrical contacts and connections; identical with IEC 60068-2-46, edition 1982
Edition 1985-08

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

pH measurement - Reference buffer solutions for the calibration of pH measuring equipment
Edition 2015-05

Testing of gaseous fuels and other gases - Determination of sulfur compounds content - Part 8: Gaschromatographic determination of dihydrogen sulfide, carbonyl sulfide and other sulfur compounds using specific detectors
Edition 1997-06

Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: General; German and English version prEN 1555-1:2024
Edition 2024-07

Metallic coatings - Review of porosity tests (ISO 10308:2006); German version EN ISO 10308:2006
Edition 2006-04

Gas infrastructure - Quality of gas - Group H; German version EN 16726:2015+A1:2018
Edition 2019-11