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DIN EN ISO 6974-4:2002-06

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 C[1] TO C[5] AND C[6+] HYDROCARBONS FOR A LABORATORY AND ON-LINE MEASURING SYSTEM USING TWO COLUMNS
Available format(s)

Hardcopy , PDF

Language(s)

English, German

Published date

01-01-2002

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 settings
Annex C (informative) Typical precision values
Bibliography

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

DevelopmentNote
To be used in conjunction with DIN ISO 6974-1 E and DIN ISO 6974-2 E. (12/2002)
DocumentType
Standard
Pages
14
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Current

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 10723:2012 Natural gas Performance evaluation for analytical systems
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
DIN EN ISO 6974-1 E : 2012 NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 1: GENERAL GUIDELINES AND CALCULATION OF COMPOSITION (ISO 6974-1:2012)
ISO 7504:2015 Gas analysis Vocabulary

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