现行

BS EN ISO 6974-2-2012

Natural gas. Determination of composition and associated uncertainty by gas chromatography-Uncertainty calculations
天然气 用气相色谱法测定成分和相关不确定度

2012-10-31

现行

ISO 6974-2-2012

Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculations
天然气——气相色谱法测定成分和相关不确定度第2部分:不确定度计算

2012-05-15

现行

KS I ISO 6974-2

천연가스 — 가스크로마토그래피에 의한 조성 및 관련 불확도 측정 — 제2부: 불확도 계산
天然气.用气相色谱法测定成分和相关不确定度.第2部分:不确定度计算

2022-12-23

现行

GB/T 27894.2-2020

天然气 用气相色谱法测定组成和计算相关不确定度 第2部分：不确定度计算
Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 2: Uncertainty calculations

2020-09-29

现行

BS EN ISO 6974-3-2018

Natural gas. Determination of composition and associated uncertainty by gas chromatography-Precision and bias
天然气 用气相色谱法测定成分和相关不确定度

2018-12-06

现行

BS EN ISO 6974-1-2012

Natural gas. Determination of composition and associated uncertainty by gas chromatography-General guidelines and calculation of composition
天然气 用气相色谱法测定成分和相关不确定度

2013-04-30

现行

KS I ISO 6974-3

천연가스 — 가스 크로마토그래피에 의한 조성 및 관련 불확도의 측정 —제3부: 정밀도와 편의
天然气.用气相色谱法测定成分和相关不确定度.第3部分:精密度和偏差

2021-05-14

现行

GB/T 27894.3-2023

天然气 用气相色谱法测定组成和计算相关不确定度 第3部分：精密度和偏差
Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 3: Precision and bias

2023-03-17

现行

ISO 6974-3-2018

Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 3: Precision and bias
天然气 - 气相色谱法测定组成和相关不确定度 - 第3部分:精密度和偏差

2018-10-16

现行

ISO 6974-1-2012

Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition
天然气——气相色谱法测定成分和相关不确定度第1部分:一般指南和成分计算

2012-05-15

现行

KS I ISO 6974-1(2020 Confirm)

천연 가스 — 가스 크로마토그래피에 의한 조성 및 관련 불확도 측정 — 제1부 : 일반 지침과 조성의 계산
天然气用气相色谱法测定规定不确定度的组分第1部分:定制分析指南

2015-12-31

现行

GB/T 27894.1-2020

天然气 用气相色谱法测定组成和计算相关不确定度 第1部分：总导则和组成计算
Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 1: General guidelines and calculation of composition

2020-09-29

现行

BS 10/30203803 DC

BS ISO 6974-2. Natural gas. Determination of composition and associated uncertainty by gas chromatography. Part 2. Uncertainty calculations
BS ISO 6974-2 天然气 用气相色谱法测定成分和相关不确定度 第二部分 不确定性计算

2010-04-20

现行

GOST 31371.2-2020

Газ природный. Определение состава методом газовой хроматографии с оценкой неопределенности. Часть 2. Вычисление неопределенности
天然气 - 通过气相色谱测定组合物和相关不确定度 - 第2部分:不确定度计算

现行

BS 10/30215322 DC

BS EN ISO 6974-1. Natural gas. Determination of composition and associated uncertainty by gas chromatography. Part 1: General guidelines and calculation of composition
BS EN ISO 6974-1 天然气 用气相色谱法测定成分和相关不确定度 第1部分:一般指南和成分计算

2010-04-06

现行

BS EN ISO 6974-5-2014

Natural gas. Determination of composition and associated uncertainty by gas chromatography-Isothermal method for nitrogen, carbon dioxide, C1 to C5 hydrocarbons and C6+ hydrocarbons
天然气 用气相色谱法测定成分和相关不确定度

2014-07-31

现行

GOST 31371.1-2020

Газ природный. Определение состава методом газовой хроматографии с оценкой неопределенности. Часть 1. Общие указания и определение состава
天然气 - 通过气相色谱测定组合物和相关不确定度 - 第1部分:一般指导原则和组成计算

现行

ISO 6974-5-2014

Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 5: Isothermal method for nitrogen, carbon dioxide, C1 to C5 hydrocarbons and C6+ hydrocarbons
天然气 - 通过气相色谱法测定组成和相关不确定度 - 第5部分:氮 二氧化碳 C1至C5烃和C6烃的等温法

2014-07-04

现行

KS I ISO 6974-5

천연가스 가스크로마토그래피에 의한 조성 및 관련 불확도 측정 제 5 부 : 질소, 이산화탄소, C 1 ~ C 5, C 6+ 탄화수소에 대한 등온선법
天然气成分和相关不确定度的气相色谱测定第5部分:氮、二氧化碳、C1至C5碳氢化合物和C6+碳氢化合物的等温法

2022-12-23

现行

KS I ISO 6974-2(2020 Confirm)

천연가스－가스 크로마토그래피법에 의한 정의된 불확도와 조성의 측정－제2부：측정 시스템의 특성과 데이터 처리를 위한 통계
天然气用气相色谱法测定具有规定不确定度的组分第2部分:测量系统特性和数据处理统计

2015-12-31