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11 Micro GC Natural Gas Analyzer
Natural Gas Analyzer A and the A Extended Version
8 meter CP-Sil 5 CB
The 8 meter CP-Sil 5 CB channel of the Natural Gas Analyzer A Extended is used for the analysis of
hydrocarbons from n-hexane up to n-dodecane.
The NGA Gas Calibration standard and the Universal Gas Calibration standard do not contain
heavy hydrocarbons up to n-dodecane. Reference chromatograms of the NGA Gas Calibration
standard and the Universal Gas Calibration standard are included in this manual. For heavy
hydrocarbons up to n-dodecane an additional sample is analyzed for identification.
Analysis of the NGA Gas Calibration standard results in the chromatogram shown in
Reference check of the Universal Gas Calibration standard results in a chromatogram similar to
Figure
15
10
5
0
15
20
Figure 74.
NGA Gas Calibration standard analyzed with the 8 meter CP-Sil 5 CB channel on Analyzer A Extended
7.5
5.0
2.5
0.0
15
20
Figure 75.
Universal Gas Calibration standard analyzed with the 8 meter CP-Sil 5 CB channel on Analyzer A Extended
152
75.
25
30
25
30
35
40
Seconds
35
40
Seconds
45
50
55
45
50
55
Agilent 990 Micro GC User Manual
Figure
74.
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