GB/T 27894.8-2026 Active National standards

GB/T 27894.8-2026 Natural gas—Determination of composition and associated uncertainty by gaschromatography—Part 8:Determination of hydrogen oxygen nitrogen carbonmonoxide carbon dioxide and C1 to C5 and C+6 hydrocarbons by micro-cellthermal conductivity detector

GB/T 27894.8-2026 Natural gas—Determination of composition and associated uncertainty by gaschromatography—Part 8:Determination of hydrogen oxygen nitrogen carbonmonoxide carbon dioxide and C1 to C5 and C+6 hydrocarbons by micro-cellthermal conductivity detector

Publish Date: 2026-01-28 Implement Date: 2026-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 27894.8-2026

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Natural gas

ICS Name: Natural gas

Publish Date: 2026-01-28

Implement Date: 2026-08-01

Pages: 28 pages

Scope

This document describes the analytical method for determining the composition of natural gas using a gas chromatograph equipped with a micro thermal conductivity detector, including reagents and materials, instruments, sampling, measurement steps, test data processing, and precision.
This document is applicable to the online and offline detection of components in natural gas and similar gases. The applicable range for determining the content (mole fraction) of each component is shown in Table 1.

Development Information

Word Count: 44 Thousand words Pages: 28 pages

Referenced Standards

GB/T 5274.1-2018 Gas analysis—Preparation of calibration gas mixtures—Part 1:Gravimetric method for class Ⅰ mixtures GB/T 13609-1999 Natural gas—Sampling guidelines GB/T 13609-2012 Natural gas sampling guidelines GB/T 13609-2017 Natural gas sampling guidelines GB/T 13609-2025 Natural gas—Gas sampling GB/T 13610-2003 Analysis of natural gas by gas Chromatography GB/T 13610-2014 Analysis of natural gas composipion—Gas chromatography GB/T 13610-2020 Analysis of natural gas composition—Gas chromatography GB/T 27894.1-2020 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 1:General guidelines and calculation of composition GB/T 27894.2-2011 Natural gas—Determination of composition with defined uncertainty by gas chromatography—Part 2:Measuring-system characteristics and statistics for processing of data GB/T 27894.2-2020 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 2:Uncertainty calculations GB/T 30490-2014 The method for automatic sampling of natural gas JJG 700-1999 Gas Chromatograph JJG 700-2016 Gas Chromatographs JJG 1055-2009 On-line Gas Chromatograph

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