GB/T 27894.7-2025 Active National standards

GB/T 27894.7-2025 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 7:Rapid determination of helium content using two packed columns

GB/T 27894.7-2025 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 7:Rapid determination of helium content using two packed columns

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 27894.7-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Natural gas
ICS Name: Natural gas
Publish Date: 2025-08-29
Implement Date: 2026-03-01
Publisher: 国家市场监督管理总局、国家标准化管理委员会
Technical Committee: 全国天然气标准化技术委员会(SAC/TC 244)
Pages: 20 pages

Scope

本文件描述了采用气相色谱法使用两根填充柱快速测定氦气含量的方法。
本文件适用于井口天然气、管输天然气、处理厂原料气、加工天然气等不同类型天然气及其类似气体混合物中摩尔分数范围在0.005%~ 40%的氦气含量快速测定。

Development Information

Drafting Units:

中国石油天然气股份有限公司勘探开发研究院、中国石油天然气股份有限公司西南油气田分公司天然气研究院、中国石油天然气股份有限公司西南油气田分公司勘探开发研究院、中国石油天然气股份有限公司西南油气田分公司成都天然气化工总厂、中国石油化工股份有限公司西南油气分公司、中国测试技术研究院、中国石油大学(北京)、陕西延长石油(集团)有限责任公司研究院

Drafting Persons:

王晓梅、王晓波、王汇彤、李志生、熊德权、李剑、张斌、侯连华、陈勇、李农、宋柯静、王丽、高立新、何坤、梁颖、潘义、邓凡锋、陈践发、崔会英、杨春龙、万莹、邓晓峰、陈琳、顾菁华、郭锦涛

Word Count: 24 Thousand words Pages: 20 pages

Referenced Standards

GB/T 4946-1985 Terms of gas chromatography GB/T 4946-2008 Terms of gas chromatography 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 14850-1993 Gas analysis—Vocabulary GB/T 14850-2008 Gas analysis—Vocabulary GB/T 14850-2020 Gas analysis—Vocabulary GB/T 20604-2006 Natural gas—Vocabulary GB/T 20604-2025 Natural gas—Vocabulary GB/T 27894.1-2011 Natural gas—Determination of composition with defined uncertainty by gas chromatogramphy—Part 1:Guidelines for tailored analysis 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 27894.3-2011 Natrual gas—Determination of composition with defined uncertainty by gas chromatography—Part 3:Determination of hydrogen,helium,oxyen,nitrogen,carbon dioxide and hydrocarbons up to C8 using two packed columns GB/T 27894.3-2023 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 3:Precision and bias GB/T 13609-2025 Natural gas—Gas sampling

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