Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 6: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C₁ to C₈ hydrocarbons using three capillary columns; Technical Corrigendum 1
Edition 2003-10

Natural gas - Extended analysis - Gas-chromatographic method
Edition 1997-04

Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition
Edition 2016-08

Natural gas - Determination of mercury - Part 1: Sampling of mercury by chemisorption on iodine
Edition 2003-10

Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy
Edition 2003-10

Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy; Technical Corrigendum 2
Edition 2006-04

Nuclear energy - Reference beta-particle radiation - Part 1: Methods of production
Edition 2023-11

Nuclear energy - Reference beta-particle radiation - Part 2: Calibration fundamentals related to basic quantities characterizing the radiation field
Edition 2023-11

Nuclear energy - Reference beta-particle radiation - Part 3: Calibration of area and personal dosemeters and the determination of their response as a function of beta radiation energy and angle of incidence
Edition 2023-11

Automation systems and integration - Numerical control of machines - Program format and definitions of address words - Part 1: Data format for positioning, line motion and contouring control systems
Edition 2009-12