NF EN ISO 6974-4 : 2003
Current
The latest, up-to-date edition.
NATURAL GAS - DETERMINATION OF COMPOSITION WITH DEFINED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 4: DETERMINATION OF NITROGEN, CARBON DIOXIDE AND C1 UP TO C5 AND C6+ HYDROCARBONS FOR A LABORATORY AND ON-LINE MEASURING SYSTEM USING TWO COLUMNS
12-01-2013
Avant-propos
Introduction
1 Domaine d'application
2 Références normatives
3 Principe
4 Matériels
5 Appareillage
6 Mode opératoire
7 Expression des résultats
8 Rapport d'essai
Annexe A (informative) - Procédure de réglage des temps de
commutation des vannes et des restrictions
Annexe B (informative) - Réglage final des temps de commutation
des vannes
Annexe C (informative) - Valeurs types de fidélité
Bibliographie
Describes the gas chromatographic method for the quantitative determination of natural gas constituents using a two-column system.
| DevelopmentNote |
Indice de Classement: X20-510-4 (08/2003)
|
| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| BS EN ISO 6974-4:2001 | Identical |
| DIN EN ISO 6974-4:2002-06 | Identical |
| UNE-EN ISO 6974-4:2003 | Identical |
| EN ISO 6974-4:2001 | Identical |