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UNE-EN ISO 6974-4:2003

Current
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 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns. (ISO 6974-4:2000)
Available format(s)

Hardcopy , PDF

Language(s)

Spanish, Castilian, English

Published date

01-17-2003

Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Materials
5 Apparatus
6 Procedure
  6.1 Gas chromatographic operating conditions
  6.2 Performance requirements - Peak resolution
  6.3 Determination - Outline of the analysis
7 Expression of results
  7.1 Calculation
  7.2 Precision and accuracy
8 Test report
Annex A (informative) Procedure for setting valve timings
                      and restriction setting
Annex B (informative) Final time
Annex C (informative) Typical precision values
Bibliography

Describes the gas chromatographic method for the quantitative determination of natural gas constituents using a two-column system.

Committee
CTN 60
DocumentType
Standard
Pages
18
PublisherName
Asociacion Espanola de Normalizacion
Status
Current

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