GB/T 27894.4-2012
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 (English Version)
- Standard No.
- GB/T 27894.4-2012
- Language
- Chinese, Available in English version
- Release Date
- 2012
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 27894.4-2012
- Scope
- This part of GB/T 27894 provides a gas chromatography method for the quantitative determination of natural gas composition using a two-column system. This method is suitable for the detection of laboratory and on-line measurement systems, and analyzes the gas composition within the mole fraction range given in Table 1. These ranges do not indicate the detection limit, but indicate that the method used within this range can achieve the specified precision. Although there may be one or more components in the sample that cannot be detected, the method is still applicable. This part is consistent with GB /T 27894 Part 1 and Part 2 are used in combination,
GB/T 27894.4-2012 Referenced Document
- GB/T 14850-2008 Gas analysis.Vocabulary
- GB/T 27894.1-2011 Natural gas.Determination of composition with defined uncertainty by gas chromatogramphy.Part 1:Guidelines for tailored analysis
- ISO 6142 Gas analysis - Preparation of calibration gas mixtures - Gravimetric method; Amendment 1: Liquid introduction
- ISO 6143 Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures
- ISO 6974-2 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations
GB/T 27894.4-2012 history
- 2012 GB/T 27894.4-2012 Natural gas.Determination of composition with defined uncertainty by gas chromatography.Part 4:Determination of nitrogen,carbon dioxide and C<下标1> to C<下标5> and C<下标6><上标+> hydrocarbons for a laboratory and on-line measuring system using two columns
GB/T 27894.4-2012 -All Parts
GB/T 27894.1-2020 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 1: General guidelines and calculation of composition
GB/T 27894.2-2020 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 2: Uncertainty calculations
GB/T 27894.3-2023 Determination of the Composition of Natural Gas by Gas Chromatography and Calculation of Associated Uncertainties Part 3: Precision and Bias
GB/T 27894.4-2012 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
GB/T 27894.5-2012 Natural gas-Determination of composition with defined uncertainty by gas chromatography.Part 5:Determination of nitrogen,carbon dioxideand C1 to C5and C6+hydrocarbons for a laboratory and on-line process application using thr
GB/T 27894.6-2012 Natural gas.Determination of composition with defined uncertainty by gas chromatography.Part 6:Determination of hydrogen helium oxygen nitrogen carbon dioxide and C1 to C8 hydrocarbons using three capillary columns