1 Scope
This standard specifies the analysis method for the chemical composition of natural gas and similar gas mixture determined with gas chromatography.
This standard is applicable to the analysis of natural gas component as shown in Table 1, and also applicable to determination of one or several component(s).
Table 1 Component and Concentration Range of Natural Gas
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2 Normative Reference
The following referenced document is indispensable for the application of this document. For dated reference, only the edition cited applies. For undated reference, the latest edition of the normative document (including any amendments) applies.
GB/T 5274 Gas Analysis - Preparation of Calibration Gas Mixture - Gravimetric Method
3 Method Summary
Separate the representative gas sample and the standard mixed gas with known composition (hereinafter referred to as standard gas) under... ...
Foreword I
1 Scope
2 Normative Reference
3 Method Summary
4 Reagents and Materials
5 Instruments and equipment
6 Operation Procedure
7 Calculation
8 Precision
Appendix A (Normative) Additional Method
Appendix B (Normative) Arrangement of Chromatographic Column
Appendix C (Normative) Preparation of Dryer and Elimination of Hydrogen Sulfide
Appendix D (Normative) Common Errors and Preventive Measures
Appendix E (Normative) Calculation Example
