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EVS-EN ISO 6975:2005

Natural gas - Extended analysis - Gas-chromatographic method

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Kehtiv alates 06.07.2005
Alusdokumendid
ISO 6975:1997; EN ISO 6975:2005
Tegevusala (ICS grupid)
75.060 Maagaas
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
06.07.2005
Põhitekst
This International Standard describes the specifications for the quantitative analysis of the following components of natural gas:- helium - hydrogen - argon - oxygen - nitrogen - carbon dioxide - saturated hydrocarbons from C1 to C5 - hydrocarbon fractions from C6 upwards - aromatic compounds as benzene and toluene

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EVS-EN ISO 6974-1:2012

Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO 6974-1:2012)
Uusim versioon Kehtiv alates 05.06.2012
Põhitekst

EVS-EN ISO 6974-2:2012

Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012)
Uusim versioon Kehtiv alates 05.06.2012
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EVS-EN ISO 6974-4:2002

Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen, carbon dioxyde and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns
Uusim versioon Kehtiv alates 05.03.2002
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EVS-EN 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 (ISO 6974-5:2014)
Uusim versioon Kehtiv alates 04.08.2014