Active standard | Published: 24/01/2008

ISO/TS 29041:2008

Gas mixtures — Gravimetric preparation — Mastering correlations in composition
(Mélanges de gaz — Préparation gravimétrique — Maîtrise des corrélations en composition)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO/TS 29041:2008

Publication date: 24/01/2008

Pages: 14

Country: International technical standard

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Anotation

Description / Abstract: In ISO/TS 29041:2008, the gravimetric mixture preparation as given in ISO 6142 is investigated for existing a priori influences, 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.

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