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5
Micro GC Channels
C6+ Calorific value calculation
Figure 36.
8m 5CB BF2D for natural gas analysis
Figure 37.
10m Al2O3/KCl BF2D for refinery gas analysis
C6+ Calorific value calculation
For calorific value calculation and application setup, please refer to the "calorific power" section
from the 990-PRO Micro GC Manual or designated energy meter software.
TCD Detector
Each GC channel is equipped with a thermal conductivity detector (TCD). This detector responds
to the difference in thermal conductivity between a reference cell (carrier gas only) and a
measurement cell (carrier gas containing sample components). The construction of a TCD is
such that the changing thermal conductivity of the carrier gas stream, due to components
present, is compared to the thermal conductivity of a constant reference gas stream.
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Agilent 990 Micro GC User Manual
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