I.S. 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 C[1] TO C[8] HYDROCARBONS USING THREE CAPILLARY COLUMNS
Hardcopy , PDF
English
01-01-2005
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
3.1 Analysis of natural gas samples
3.2 Analysis of natural gas substitutes
4 Materials
5 Apparatus
6 Procedure
6.1 Operating conditions
6.2 Performance requirements
6.3 Determination
7 Calculation
8 Precision
9 Test report
Annex A (informative) Typical precision values
Bibliography
Explains a gas chromatographic method for the quantitative determination of the content of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C[1] to C[8] hydrocarbons in natural gas samples using three capillary columns.
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| ISO 6974-6:2002 | Identical |
| EN ISO 6974-6:2005 | Identical |
| ISO 10715:1997 | Natural gas — Sampling guidelines |
| ISO 6976:2016 | Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition |
| ISO 6974-2:2012 | Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculations |
| ISO 6974-4:2000 | Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 4: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns |
| ISO 10723:2012 | Natural gas — Performance evaluation for analytical systems |
| ISO 6974-3:2000 | Natural gas Determination of composition with defined uncertainty by gas chromatography Part 3: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columns |
| ISO 6143:2001 | Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures |
| ISO 6142:2001 | Gas analysis Preparation of calibration gas mixtures Gravimetric method |
| ISO 6974-1:2012 | Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition |
| ISO 7504:2015 | Gas analysis Vocabulary |
| 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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.