BS ISO 6974-5 : 2000 AMD 13863
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
NATURAL GAS - DETERMINATION OF COMPOSITION WITH DEFINED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 5: DETERMINATION OF NITROGEN, CARBON DIOXIDE AND C1 TO C5 AND C6+ HYDROCARBONS FOR A LABORATORY AND ON-LINE PROCESS APPLICATION USING THREE COLUMNS
17-07-2002
23-11-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Materials
5 Apparatus
6 Procedure
6.1 Gas chromatographic operating conditions
6.2 Calibration
6.3 Performance requirements
6.3.1 Peak resolution
6.3.2 Chromatogram
6.4 Determination
6.4.1 Sample valve purge
6.4.2 Analysis
7 Expression of results
7.1 Precision and accuracy
8 Test report
Annex A (informative) Procedure for setting valve timings
and restriction setting
Annex B (informative) Typical precision values
Bibliography
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