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Agilent 490 Micro GC Natural Gas Analyzer
User Manual
Agilent Technologies
Appendix E: Method for CP-Molsieve
5A Channel with Carrier Gas Argon
Typical method setting for analysis of helium and hydrogen on
the CP-Molsieve 5A channel.
Table 5 Method setting for analysis of helium with Natural Gas
Analyzer B Extended
Method settings CP-Molsieve 5A
Carrier gas Argon
Injector temperature (°C) 110
Injection time (ms) 40
Backflush time (s) 11
Column temperature (°C) 80
Pressure (kPa) 200
Sample line temperature (°C) 110
Invert signal Yes