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I.S. EN ISO 6974-3:2002

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by
withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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 C[8] USING TWO PACKED COLUMNS
Available format(s)

Hardcopy , PDF

Withdrawn date

05-31-2019

Language(s)

English

Published date

12-17-2001

Publisher

National Standards Authority of Ireland

Preview

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.

Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Materials
5 Apparatus
6 Procedure
7 Expression of results
8 Test report
Annex A (informative) Single-oven gas-chromatographic system
        consisting of two columns
Annex B (informative) Typical precision values
Bibliography

Specifies a gas chromatographic method for the quantitative determination of the content of helium, hydrogen, oxygen, nitrogen, carbon dioxide and C[1] to C[8] hydrocarbons in natural gas samples using two packed columns.

DocumentType
Standard
Pages
24
PublisherName
National Standards Authority of Ireland
Status
Withdrawn
SupersededBy

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
ISO 14111:1997 Natural gas — Guidelines to traceability in analysis
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

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PDF - English
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