Normy GB - Čínské národní normy - strana 2222

Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 5: Determination of nitrogen,carbon dioxideand C1 to C5 and C6+ hydrocarbons for a laboratory and on-line process application using three columns

Norma vydaná dňa 5.11.2012

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

Norma vydaná dňa 31.12.2012

Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 7:Rapid determination of helium content using two packed columns

Norma vydaná dňa 29.8.2025

Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 8:Determination of hydrogen oxygen nitrogen carbon monoxide carbon dioxide and C1 to C5 and C6+ hydrocarbons by micro-cell thermal conductivity detector

Norma vydaná dňa 28.1.2026

Natural gas - Determination of the hydrocarbon dew point - Cooled mirror method

Norma vydaná dňa 30.12.2011

Test method for water vapor content of natural gas—Electronic moisture analyzers

Norma vydaná dňa 17.9.2018

Class A foam extinguishing agent

Norma vydaná dňa 30.12.2011

Class A foam extinguishing agent

Norma vydaná dňa 30.12.2011

Class A foam extinguishing agent
K dispozici od: listopad 2026

Norma vydaná dňa 31.10.2025

Fixed water supply equipment used for fire-protection—Part 1:Gas pressure fixed water supply equipment used for fire-protection

Norma vydaná dňa 30.12.2011