Historical
ISO 6974-1:2000
Natural gas -- Determination of composition with defined uncertainty by gas chromatography -- Part 1: Guidelines for tailored analysis
This part of ISO 6974 gives guidelines for the quantitative analysis of natural-gas-containing constituents within the application ranges given in Table 1.
Individual methods, as described in part 3 and subsequent parts of ISO 6974, may have more restricted application ranges than those in Table 1, but in all cases they will fall within this overall scope of the ranges given.
| Table 1 - Application ranges | |
|---|---|
| Component | Mole fraction range % |
| Hydrogen | 0,001 to 0,5 |
| Helium | 0,001 to 0,5 |
| Oxygen | 0,001 to 5 |
| Nitrogen | 0,001 to 60 |
| Carbon dioxide | 0,001 to 35 |
| Methane | 40 to 100 |
| Ethane | 0,02 to 15 |
| Propane | 0,001 to 25 |
| Butanes | 0,000 1 to 5 |
| Pentanes | 0,000 1 to 1 |
| Hexanes and heavier | 0,000 1 to 0,5 |
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International Organization for Standardization [iso]
International Organization for Standardization [iso]
