GSO ISO/TS 29041:2013
气体混合物 准备化合物的定量重量分析 掌握其成分相关性

Gas mixtures -- Gravimetric preparation -- Mastering correlations in composition

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标准号

GSO ISO/TS 29041:2013

发布

2013年

发布单位

GSO

当前最新

GSO ISO/TS 29041:2013

 

 

适用范围

In this Technical Specification, the gravimetric mixture preparation as given in ISO 6142 is investigated for influences of a priori existing, as well as correlations introduced by data processing. All calculations refer to an example which consists in the preparation of a synthetic natural gas of a target composition as follows: 1,4 mol % N2, 1,8 mol % CO2, 9,4 mol % ethane, 3,4 mol % propane, 1 mol % n-butane, and 83 mol % methane. All considerations given for this example concerning mixture feasibility, choice of preparation procedure, and weighing steps and sequences are the same as given in ISO 6142. This also applies to all estimates for basic uncertainty sources and the purity tables of the gases used for preparation. All calculations follow the principles, and use the tools and algorithms laid down in Annex A. For the sake of simplicity, procedural steps such as matrix transformation, inversion or matrix calculus are not detailed each time they are used in the calculations.

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