Agilent Technologies 490 Micro GC

Appendix C: Typical Method Settings for Natural Gas Analyzers
Natural Gas Analyzers 30
Table 3 Method for Agilent 490 Micro GC - Natural Gas Analyzer B
Method settings
*
* For more details of the method, see the pdf-method file available on the Natural Gas
Analyzer CD.
PoraPLOT U CP-Sil 5 CB_6m
Carrier gas Helium Helium
Injector temperature (°C) 110 110
Injection time (ms) 40 40
Backflush time (s)
†
† The backflush time must be tuned for each new CP-Molsieve 5A, PoraPLOT U,
4 meter CP-Sil 5 CB, and HayeSep A channel.
17 -
Column temperature (°C) 60 70
Pressure (kPa) 175 150
Sample line temperature (°C) 110 110
Table 4 Method for Agilent 490 Micro GC - Natural Gas Analyzer B Extended
Method settings
*
CP-Molsieve 5A PoraPLOT U CP-Sil 5 CB_6m
Carrier gas Helium Helium Helium
Injector temperature (°C) 110 110 110
Injection time (ms) 40 40 40
Backflush time (s)
†
11 17 -
Column temperature (°C) 80 60 70
Pressure (kPa) 200 175 150
Sample line temperature (°C) 110 110 110
* For more details of the method, see the pdf-method file available on the Natural Gas Analyzer CD.
† The backflush time must be tuned for each new CP-Molsieve 5A, PoraPLOT U, 4 meter CP-Sil 5 CB, and HayeSep A channel.