Projects of NA 032-03-01-05 AK

Document number Begin Title Comment
DIN EN ISO 12213-2/A1 2026-07-01 Natural gas - Calculation of compression factor - Part 2: Calculation using molar-composition analysis - Amendment 1 More  Comment 
DIN EN ISO 6142-1/A1 2026-06-29 Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures - Amendment 1: Corrections to formulae in Annex E and Annex G (ISO 6142-1:2015/Amd 1:2020) More  Comment 
ISO 12213-2 AMD 1 2026-06-23 Natural gas - Calculation of compression factor - Part 2: Calculation using molar-composition analysis - Amendment 1 More  Comment 
DIN EN ISO 6143/A1 2026-03-17 Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures - Amendment 1: Software B LEAST - Performance check for non-linear model functions using alternative computer programs More  Comment 
ISO 6143 CD AMD 1 2026-03-03 Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures - Amendment 1: Software B LEAST - Performance check for non-linear model functions using alternative computer programs More  Comment 
DIN EN 437 rev 2022-05-30 Test gases - Test pressures - Appliance categories More  Comment 

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