天然气　在一定不确定度下用气相色谱法测定组成　第5部分：实验室和在线工艺系统中用三根色谱柱测定氮、二氧化碳和C1至C5及C6+的烃类
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

2012-11-05

天然气 在一定不确定度下用气相色谱法测定组成 第4部分：实验室和在线测量系统中用两根色谱柱测定氮、二氧化碳和C1至C5及C6+的烃类
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen,carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns

2012-11-05

天然气 在一定不确定度下用气相色谱法测定组成 第6部分：用三根毛细管色谱柱测定氢、氦、氧、氮、二氧化碳和C1至C8的烃类
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

2012-12-31

천연가스－가스 크로마토그래피법에 의한 정의된 불확도와 조성의 측정－제4부：2개의 칼럼을 이용한 실험실과 온라인 측정 시스템에 적용되는 질소, 이산화탄소, C1∼C5, C6＋ 탄화수소의 측정
天然气——用气相色谱法测定规定不确定度的成分——第4部分:实验室和在线测量系统用双柱测定氮、二氧化碳和C1至C5及C6＋碳氢化合物

2006-09-30

천연가스－가스 크로마토그래피법에 의한 정의된 불확도와 조성의 측정－제4부：2개의 칼럼을 이용한 실험실과 온라인 측정 시스템에 적용되는 질소, 이산화탄소, C1∼C5, C6＋ 탄화수소의 측정
天然气用气相色谱法测定具有规定不确定度的组分第4部分:实验室和在线测量系统用双柱测定氮、二氧化碳和C1至C5和C6＋碳氢化合物

2006-09-30

Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 4: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns
天然气——用气相色谱法测定具有规定不确定度的成分第4部分:实验室和在线测量系统用双柱测定氮、二氧化碳和C1至C5和C6+碳氢化合物

2000-04-06

Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 5: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line process application using three columns. (ISO 6974-5:2000)
天然气.用气相色谱法测定具有规定不确定度的成分.第5部分:用三个色谱柱测定实验室和在线工艺应用中的氮、二氧化碳和C1至C5和C6+碳氢化合物 （ISO 6974-5-2000）

2003-01-17

천연가스 가스크로마토그래피에 의해 정의된 불확도와 조성의 측정 제 4 부 : 2 개의 칼럼을 이용한 실험실과 온라인 측정 시스템에 적용되는 질소 이산화탄소, C 1 C 5, C 6+ 탄화수소의 측정
天然气用气相色谱法测定具有规定不确定度的组分第4部分:实验室和双柱在线测量系统用氮、二氧化碳和C1至C5和C6+碳氢化合物的测定

2022-12-23

Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns. (ISO 6974-4:2000)
天然气.用气相色谱法测定规定不确定度的成分.第4部分:实验室和在线测量系统用双柱测定氮、二氧化碳和C1至C5和C6+碳氢化合物 （ISO 6974-4-2000）

2003-01-17

Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns (ISO 6974-4:2000)
天然气 - 通过气相色谱法确定具有明确不确定度的组成 - 第4部分:使用两列的实验室和在线测量系统测定氮 二氧化碳和C1至C5和C6烃类（ISO 6974-4:2000）

2001-08-22

Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen, carbon dioxide and C<(Index)1> to C<(Index)5> and C<(Index)6+> hydrocarbons for a laboratory and on-line measuring system using two columns (ISO 6974-4:2000)
天然气.用气相色谱法测定具有规定不确定度的成分.第4部分:实验室和在线测量系统用双柱测定氮 二氧化碳和C<（指数）1>至C<（指数）5>和C<（指数）6+>碳氢化合物（ISO 6974-4:2000）；德文版

2002-06-01