GSO ISO 23874:2010
天然气 计算碳氢化合物露点的气相色谱分析要求

Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation

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标准号

GSO ISO 23874:2010

发布

2010年

发布单位

GSO

当前最新

GSO ISO 23874:2010

 

 

适用范围

This International Standard describes the performance requirements for analysis of treated natural gas of transmission or pipeline quality in sufficient detail so that the hydrocarbon dewpoint temperature can be calculated using an appropriate equation of state. It can be applied to gases that have maximum dewpoint temperatures (cricondentherms) between 0 °C and – 50 °C. The pressures at which these maximum dewpoint temperatures are calculated are in the range 2 MPa (20 bar) to 5 MPa (50 bar). Major components are measured using ISO 6974 (all parts) and the ranges of components that can be measured are as defined in ISO 6974-1. The procedure given in this International Standard covers the measurement of hydrocarbons in the range C5 to C12. n-Pentane, which is quantitatively measured using ISO 6974 (all parts), is used as a bridge component and all C6 and higher hydrocarbons are measured relative to n-pentane.

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