NF EN ISO 6974-6 : 2005
Current
The latest, up-to-date edition.
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
12-01-2013
Avant-propos
Introduction
1 Domaine d'application
2 Références normatives
3 Principe
3.1 Analyse des échantillons de gaz naturel
3.2 Analyse des substituts du gaz naturel
4 Matériels
5 Appareillage
6 Mode opératoire
6.1 Conditions opératoires
6.2 Exigences relatives à la performance
6.3 Détermination
7 Calcul
8 Fidélité
9 Rapport d'essai
Annexe A (informative) Valeurs types relatives à la
fidélité
Bibliographie
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